diff --git a/autoload/SpaceVim/layers/lang/agda.vim b/autoload/SpaceVim/layers/lang/agda.vim
index a5796253f..eec664233 100644
--- a/autoload/SpaceVim/layers/lang/agda.vim
+++ b/autoload/SpaceVim/layers/lang/agda.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for agda. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#agda"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/asciidoc.vim b/autoload/SpaceVim/layers/lang/asciidoc.vim
index 1ba820ea2..e768d2aaf 100644
--- a/autoload/SpaceVim/layers/lang/asciidoc.vim
+++ b/autoload/SpaceVim/layers/lang/asciidoc.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for asciidoc. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#asciidoc"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/aspectj.vim b/autoload/SpaceVim/layers/lang/aspectj.vim
index 2a1f14181..d09278dba 100644
--- a/autoload/SpaceVim/layers/lang/aspectj.vim
+++ b/autoload/SpaceVim/layers/lang/aspectj.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for aspectj. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#aspectj"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/assembly.vim b/autoload/SpaceVim/layers/lang/assembly.vim
index 2d7da870e..77afc663a 100644
--- a/autoload/SpaceVim/layers/lang/assembly.vim
+++ b/autoload/SpaceVim/layers/lang/assembly.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for assembly. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#assembly"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/autohotkey.vim b/autoload/SpaceVim/layers/lang/autohotkey.vim
index 3a3c2d6be..995fb57ae 100644
--- a/autoload/SpaceVim/layers/lang/autohotkey.vim
+++ b/autoload/SpaceVim/layers/lang/autohotkey.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for autohotkey. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#autohotkey"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/autoit.vim b/autoload/SpaceVim/layers/lang/autoit.vim
index 371121901..223371bac 100644
--- a/autoload/SpaceVim/layers/lang/autoit.vim
+++ b/autoload/SpaceVim/layers/lang/autoit.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for autoit. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#autoit"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/clojure.vim b/autoload/SpaceVim/layers/lang/clojure.vim
index aca974eac..c5bc98576 100644
--- a/autoload/SpaceVim/layers/lang/clojure.vim
+++ b/autoload/SpaceVim/layers/lang/clojure.vim
@@ -13,7 +13,7 @@
 " highlighting, code indent, code runner and REPL. This layer is not enabled
 " by default, To enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#clojure"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/crystal.vim b/autoload/SpaceVim/layers/lang/crystal.vim
index e09919897..a3672295f 100644
--- a/autoload/SpaceVim/layers/lang/crystal.vim
+++ b/autoload/SpaceVim/layers/lang/crystal.vim
@@ -14,7 +14,7 @@
 " The lang#crystal layer provides crystal filetype detection and syntax highlight,
 " crystal tool and crystal spec integration. To enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#crystal"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/csharp.vim b/autoload/SpaceVim/layers/lang/csharp.vim
index ccebe186b..60a29716d 100644
--- a/autoload/SpaceVim/layers/lang/csharp.vim
+++ b/autoload/SpaceVim/layers/lang/csharp.vim
@@ -14,7 +14,7 @@
 " This layer includes utilities and language-specific mappings for csharp development.
 " By default it is disabled, to enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#csharp"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/dart.vim b/autoload/SpaceVim/layers/lang/dart.vim
index 560e8702d..83c1e50fb 100644
--- a/autoload/SpaceVim/layers/lang/dart.vim
+++ b/autoload/SpaceVim/layers/lang/dart.vim
@@ -16,7 +16,7 @@
 " syntax checker which is loaded in @section(layer-checkers). To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#dart"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/e.vim b/autoload/SpaceVim/layers/lang/e.vim
index f35ce38a4..f37efd360 100644
--- a/autoload/SpaceVim/layers/lang/e.vim
+++ b/autoload/SpaceVim/layers/lang/e.vim
@@ -14,7 +14,7 @@
 " This layer includes utilities and language-specific mappings for e development.
 " By default it is disabled, to enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#e"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/go.vim b/autoload/SpaceVim/layers/lang/go.vim
index fe7859738..cc6e958be 100644
--- a/autoload/SpaceVim/layers/lang/go.vim
+++ b/autoload/SpaceVim/layers/lang/go.vim
@@ -21,7 +21,7 @@
 " `gometalinter`
 " 2. go_file_head: the default file head for golang source code.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#go"
 "     go_file_head = [      
 "       '#!/usr/bin/python3',
diff --git a/autoload/SpaceVim/layers/lang/graphql.vim b/autoload/SpaceVim/layers/lang/graphql.vim
index 1ad0c02f1..0ccaf04e1 100644
--- a/autoload/SpaceVim/layers/lang/graphql.vim
+++ b/autoload/SpaceVim/layers/lang/graphql.vim
@@ -14,7 +14,7 @@
 " The lang#graphql layer provides syntax highlighting indent for graphql. To
 " enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#graphql"
 " <
 "
diff --git a/autoload/SpaceVim/layers/lang/html.vim b/autoload/SpaceVim/layers/lang/html.vim
index a585aa108..4e011071a 100644
--- a/autoload/SpaceVim/layers/lang/html.vim
+++ b/autoload/SpaceVim/layers/lang/html.vim
@@ -12,7 +12,7 @@
 " This layer is for html development, disabled by default, to enable this
 " layer, add following snippet to your SpaceVim configuration file.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#html"
 " <
 " 
@@ -21,7 +21,7 @@
 " - `emmet_leader_key`: change the default leader key for emmet
 " - `emmet_filetyps`: Set the filetypes for enabling emmet
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#html"
 "     emmet_leader_key = "<C-e>"
 "     emmet_filetyps = ['html']
diff --git a/autoload/SpaceVim/layers/lang/javascript.vim b/autoload/SpaceVim/layers/lang/javascript.vim
index 3f41ca17d..d1bbfdefa 100644
--- a/autoload/SpaceVim/layers/lang/javascript.vim
+++ b/autoload/SpaceVim/layers/lang/javascript.vim
@@ -12,7 +12,7 @@
 " This layer is for JavaScript development, includes syntax lint, code
 " completion etc. To enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#javascript"
 " <
 " The code linter is eslint, install eslint via:
@@ -24,7 +24,7 @@
 " 1. auto_fix: If this option is true, --fix will be added to neomake eslint
 " maker.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#javascript"
 "     auto_fix = true
 " <
diff --git a/autoload/SpaceVim/layers/lang/json.vim b/autoload/SpaceVim/layers/lang/json.vim
index 6d3983a4b..c9aaadf89 100644
--- a/autoload/SpaceVim/layers/lang/json.vim
+++ b/autoload/SpaceVim/layers/lang/json.vim
@@ -11,7 +11,7 @@
 " @parentsection layers
 " This layer provides syntax highlighting for json file. To enable this layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#json"
 " <
 "
@@ -22,7 +22,7 @@
 " 2. concealcursor: Set the valuable for |g:vim_json_syntax_concealcursor|
 "
 " >
-"   [layers]
+"   [[layers]]
 "     name = 'lang#json'
 "     conceal = false
 "     concealcursor = ''
diff --git a/autoload/SpaceVim/layers/lang/liquid.vim b/autoload/SpaceVim/layers/lang/liquid.vim
index 0084f3f62..38a21bd00 100644
--- a/autoload/SpaceVim/layers/lang/liquid.vim
+++ b/autoload/SpaceVim/layers/lang/liquid.vim
@@ -12,7 +12,7 @@
 " This layer provides syntax highlighting for liquid. To enable this
 " layer:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#liquid"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/lua.vim b/autoload/SpaceVim/layers/lang/lua.vim
index 195b52b60..cf3e892a7 100644
--- a/autoload/SpaceVim/layers/lang/lua.vim
+++ b/autoload/SpaceVim/layers/lang/lua.vim
@@ -19,7 +19,7 @@
 "
 " 1. lua_file_head: the default file head for lua source code.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#lua"
 "     ruby_file_head = [      
 "       '--!/usr/bin/lua',
diff --git a/autoload/SpaceVim/layers/lang/python.vim b/autoload/SpaceVim/layers/lang/python.vim
index fceaf4653..714f67020 100644
--- a/autoload/SpaceVim/layers/lang/python.vim
+++ b/autoload/SpaceVim/layers/lang/python.vim
@@ -22,7 +22,7 @@
 "
 " 1. python_file_head: the default file head for python source code.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#python"
 "     python_file_head = [      
 "       '#!/usr/bin/python3',
diff --git a/autoload/SpaceVim/layers/lang/ring.vim b/autoload/SpaceVim/layers/lang/ring.vim
index c738a896f..225079aea 100644
--- a/autoload/SpaceVim/layers/lang/ring.vim
+++ b/autoload/SpaceVim/layers/lang/ring.vim
@@ -20,7 +20,7 @@
 "
 " 1. ring_repl: Set the path of ring repl.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#ring"
 "     ring_repl = "/path/to/repl.ring"
 " <
diff --git a/autoload/SpaceVim/layers/lang/ruby.vim b/autoload/SpaceVim/layers/lang/ruby.vim
index 7fc433fa2..041b78c56 100644
--- a/autoload/SpaceVim/layers/lang/ruby.vim
+++ b/autoload/SpaceVim/layers/lang/ruby.vim
@@ -20,7 +20,7 @@
 "
 " 1. ruby_file_head: the default file head for ruby source code.
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#ruby"
 "     ruby_file_head = [      
 "       '#!/usr/bin/ruby -w',
diff --git a/autoload/SpaceVim/layers/lang/swift.vim b/autoload/SpaceVim/layers/lang/swift.vim
index 6f5aa8d15..49688c910 100644
--- a/autoload/SpaceVim/layers/lang/swift.vim
+++ b/autoload/SpaceVim/layers/lang/swift.vim
@@ -12,7 +12,7 @@
 " This layer is for swift development, including syntax highlighting and
 " indent. To enable it:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#swift"
 " <
 " @subsection Mappings
diff --git a/autoload/SpaceVim/layers/lang/swig.vim b/autoload/SpaceVim/layers/lang/swig.vim
index e5468c88a..2085d1244 100644
--- a/autoload/SpaceVim/layers/lang/swig.vim
+++ b/autoload/SpaceVim/layers/lang/swig.vim
@@ -12,7 +12,7 @@
 " This layer is for swig development, including syntax highlighting and
 " indent. To enable it:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#swig"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/toml.vim b/autoload/SpaceVim/layers/lang/toml.vim
index 6cf6e0dcb..fa48f08c3 100644
--- a/autoload/SpaceVim/layers/lang/toml.vim
+++ b/autoload/SpaceVim/layers/lang/toml.vim
@@ -11,7 +11,7 @@
 " @parentsection layers
 " This layer provides basic syntax highlighting for toml. To enable it:
 " >
-"   [layers]
+"   [[layers]]
 "     name = "lang#toml"
 " <
 
diff --git a/autoload/SpaceVim/layers/lang/typescript.vim b/autoload/SpaceVim/layers/lang/typescript.vim
index 21e0e8f3d..206d7f2e4 100644
--- a/autoload/SpaceVim/layers/lang/typescript.vim
+++ b/autoload/SpaceVim/layers/lang/typescript.vim
@@ -13,7 +13,7 @@
 " To enable this layer, add following snippet into SpaceVim configuration
 " file.
 " >
-"   [layers]
+"   [[layers]]
 "       name = 'lang#typescript'
 " <
 " @subsection key bindings
diff --git a/doc/SpaceVim.txt b/doc/SpaceVim.txt
index ec1eb9288..c26d498ce 100644
--- a/doc/SpaceVim.txt
+++ b/doc/SpaceVim.txt
@@ -2313,7 +2313,7 @@ LANG#AGDA                                          *SpaceVim-layers-lang-agda*
 
 This layer provides syntax highlighting for agda. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#agda"
 <
 
@@ -2347,7 +2347,7 @@ LANG#ASCIIDOC                                  *SpaceVim-layers-lang-asciidoc*
 
 This layer provides syntax highlighting for asciidoc. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#asciidoc"
 <
 
@@ -2356,7 +2356,7 @@ LANG#ASPECTJ                                    *SpaceVim-layers-lang-aspectj*
 
 This layer provides syntax highlighting for aspectj. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#aspectj"
 <
 
@@ -2365,7 +2365,7 @@ LANG#ASSEMBLY                                  *SpaceVim-layers-lang-assembly*
 
 This layer provides syntax highlighting for assembly. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#assembly"
 <
 
@@ -2374,7 +2374,7 @@ LANG#AUTOHOTKEY                              *SpaceVim-layers-lang-autohotkey*
 
 This layer provides syntax highlighting for autohotkey. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#autohotkey"
 <
 
@@ -2383,7 +2383,7 @@ LANG#AUTOIT                                      *SpaceVim-layers-lang-autoit*
 
 This layer provides syntax highlighting for autoit. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#autoit"
 <
 
@@ -2546,7 +2546,7 @@ This layer provides clojure language support in SpaceVim. Including syntax
 highlighting, code indent, code runner and REPL. This layer is not enabled by
 default, To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#clojure"
 <
 
@@ -2626,7 +2626,7 @@ INTRO
 The lang#crystal layer provides crystal filetype detection and syntax
 highlight, crystal tool and crystal spec integration. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#crystal"
 <
 
@@ -2656,7 +2656,7 @@ INTRO
 This layer includes utilities and language-specific mappings for csharp
 development. By default it is disabled, to enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#csharp"
 <
 
@@ -2718,7 +2718,7 @@ The lang#dart layer provides code completion, documentation lookup, jump to
 definition, dart_repl integration for dart. It uses neomake as default syntax
 checker which is loaded in |SpaceVim-layer-checkers|. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#dart"
 <
 
@@ -2769,7 +2769,7 @@ INTRO
 This layer includes utilities and language-specific mappings for e
 development. By default it is disabled, to enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#e"
 <
 
@@ -3025,7 +3025,7 @@ option is `['golint']`. The available linters includes: `go`, `gometalinter`
   2. go_file_head: the default file head for golang source code.
 
 >
-  [layers]
+  [[layers]]
     name = "lang#go"
     go_file_head = [
       '#!/usr/bin/python3',
@@ -3145,7 +3145,7 @@ INTRO
 The lang#graphql layer provides syntax highlighting indent for graphql. To
 enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#graphql"
 <
 
@@ -3293,7 +3293,7 @@ LANG#HTML                                          *SpaceVim-layers-lang-html*
 This layer is for html development, disabled by default, to enable this layer,
 add following snippet to your SpaceVim configuration file.
 >
-  [layers]
+  [[layers]]
     name = "lang#html"
 <
 
@@ -3303,7 +3303,7 @@ OPTIONS
 `emmet_filetyps`: Set the filetypes for enabling emmet
 
 >
-  [layers]
+  [[layers]]
     name = "lang#html"
     emmet_leader_key = "<C-e>"
     emmet_filetyps = ['html']
@@ -3587,7 +3587,7 @@ LANG#JAVASCRIPT                              *SpaceVim-layers-lang-javascript*
 This layer is for JavaScript development, includes syntax lint, code
 completion etc. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#javascript"
 <
 The code linter is eslint, install eslint via:
@@ -3599,7 +3599,7 @@ LAYER OPTION
   1. auto_fix: If this option is true, --fix will be added to neomake eslint
 maker.
 >
-  [layers]
+  [[layers]]
     name = "lang#javascript"
     auto_fix = true
 <
@@ -3655,7 +3655,7 @@ LANG#JSON                                          *SpaceVim-layers-lang-json*
 
 This layer provides syntax highlighting for json file. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#json"
 <
 
@@ -3667,7 +3667,7 @@ OPTIONS
 
 
 >
-  [layers]
+  [[layers]]
     name = 'lang#json'
     conceal = false
     concealcursor = ''
@@ -3803,7 +3803,7 @@ LANG#LIQUID                                      *SpaceVim-layers-lang-liquid*
 
 This layer provides syntax highlighting for liquid. To enable this layer:
 >
-  [layers]
+  [[layers]]
     name = "lang#liquid"
 <
 
@@ -3880,7 +3880,7 @@ LAYER OPTIONS
   1. lua_file_head: the default file head for lua source code.
 
 >
-  [layers]
+  [[layers]]
     name = "lang#lua"
     ruby_file_head = [
       '--!/usr/bin/lua',
@@ -4386,7 +4386,7 @@ OPTIONS
   1. python_file_head: the default file head for python source code.
 
 >
-  [layers]
+  [[layers]]
     name = "lang#python"
     python_file_head = [
       '#!/usr/bin/python3',
@@ -4558,7 +4558,7 @@ OPTIONS
   1. ring_repl: Set the path of ring repl.
 
 >
-  [layers]
+  [[layers]]
     name = "lang#ring"
     ring_repl = "/path/to/repl.ring"
 <
@@ -4598,7 +4598,7 @@ OPTIONS
   1. ruby_file_head: the default file head for ruby source code.
 
 >
-  [layers]
+  [[layers]]
     name = "lang#ruby"
     ruby_file_head = [
       '#!/usr/bin/ruby -w',
@@ -5003,7 +5003,7 @@ LANG#SWIG                                         *SpaceVim-layers-lang-swift*
 This layer is for swift development, including syntax highlighting and indent.
 To enable it:
 >
-  [layers]
+  [[layers]]
     name = "lang#swift"
 <
 MAPPINGS
@@ -5031,7 +5031,7 @@ LANG#SWIG                                          *SpaceVim-layers-lang-swig*
 This layer is for swig development, including syntax highlighting and indent.
 To enable it:
 >
-  [layers]
+  [[layers]]
     name = "lang#swig"
 <
 
@@ -5108,7 +5108,7 @@ LANG#TOML                                          *SpaceVim-layers-lang-toml*
 
 This layer provides basic syntax highlighting for toml. To enable it:
 >
-  [layers]
+  [[layers]]
     name = "lang#toml"
 <
 
@@ -5118,7 +5118,7 @@ LANG#TYPESCRIPT                              *SpaceVim-layers-lang-typescript*
 This layer provides typescript development support for SpaceVim. To enable
 this layer, add following snippet into SpaceVim configuration file.
 >
-  [layers]
+  [[layers]]
       name = 'lang#typescript'
 <
 KEY BINDINGS
diff --git a/docs/cn/layers/lang/html.md b/docs/cn/layers/lang/html.md
index 1de5bdaa0..1e6675af3 100644
--- a/docs/cn/layers/lang/html.md
+++ b/docs/cn/layers/lang/html.md
@@ -44,7 +44,7 @@ npm install --global vscode-html-languageserver-bin
 - `emmet_filetyps`：设置启用 emmet 插件的文件类型列表。
 
   ```toml
-  [layers]
+  [[layers]]
     name = "lang#html"
     emmet_leader_key = "<C-e>"
     emmet_filetyps = ['html']