diff --git a/docs/cn/documentation.md b/docs/cn/documentation.md
index 562b9c3ee..2ee5570cd 100644
--- a/docs/cn/documentation.md
+++ b/docs/cn/documentation.md
@@ -939,8 +939,8 @@ merged = 0
 | `SPC w TAB`/`<Tab>`  | 在统一标签内进行窗口切换                                                       |
 | `SPC w =`            | 对齐分离的窗口                                                                 |
 | `SPC w b`            | force the focus back to the minibuffer (TODO)                                  |
-| `SPC w c`            | 进入阅读模式，浏览当前窗口                                                     |
-| `SPC w C`            | 选择某一个窗口，并且进入阅读模式                                               |
+| `SPC w c`            | 进入阅读模式，浏览当前窗口 (需要 tools 模块)                                                     |
+| `SPC w C`            | 选择某一个窗口，并且进入阅读模式 (需要 tools 模块)                                               |
 | `SPC w d`            | 删除一个窗口                                                                   |
 | `SPC u SPC w d`      | delete a window and its current buffer (does not delete the file) (TODO)       |
 | `SPC w D`            | 选择一个窗口，并且关闭                                                         |
diff --git a/docs/documentation.md b/docs/documentation.md
index 13261207d..669378a8e 100644
--- a/docs/documentation.md
+++ b/docs/documentation.md
@@ -876,7 +876,6 @@ All layers can be easily discovered via `:SPLayer -l` accessible with `SPC h l`.
 
 All plugins can be easily discovered via `<leader> l p`.
 
-
 #### Toggles
 
 both the toggles mappings started with `[SPC] t` or `[SPC] T`. you can find it in the mapping guide.
@@ -998,8 +997,8 @@ Windows manipulation commands (start with `w`):
 | `SPC w TAB`          | switch to alternate window in the current frame (switch back and forth)                                       |
 | `SPC w =`            | balance split windows                                                                                         |
 | `SPC w b`            | force the focus back to the minibuffer (TODO)                                                                 |
-| `SPC w c`            | Distraction-free reading current window                                                                       |
-| `SPC w C`            | Distraction-free reading other windows via vim-choosewin                                                      |
+| `SPC w c`            | Distraction-free reading current window  (tools layer)                                                        |
+| `SPC w C`            | Distraction-free reading other windows via vim-choosewin (tools layer)                                        |
 | `SPC w d`            | delete a window                                                                                               |
 | `SPC u SPC w d`      | delete a window and its current buffer (does not delete the file) (TODO)                                      |
 | `SPC w D`            | delete another window using vim-choosewin                                                                     |
diff --git a/wiki/en/Following-HEAD.md b/wiki/en/Following-HEAD.md
index 10c0341dc..29f5453a7 100644
--- a/wiki/en/Following-HEAD.md
+++ b/wiki/en/Following-HEAD.md
@@ -67,6 +67,7 @@ The next release is v0.9.0.
 - Update follow HEAD ([#1886](https://github.com/SpaceVim/SpaceVim/pull/1886), [#1953](https://github.com/SpaceVim/SpaceVim/pull/1953))
 - Update doc for bootstrap function ([#1980](https://github.com/SpaceVim/SpaceVim/pull/1980))
 - Update doc for debug upstream plugins ([#1981](https://github.com/SpaceVim/SpaceVim/pull/1981))
+- Update doc windows key bindings ([#1995](https://github.com/SpaceVim/SpaceVim/pull/1995))
 
 ### Others