diff --git a/docs/api/file.md b/docs/api/file.md
index 0a757b21f..7ad8b90ca 100644
--- a/docs/api/file.md
+++ b/docs/api/file.md
@@ -4,4 +4,8 @@ title: "file api"
 
 ## values
 
+name   | values | description
+----- |:----:| ------------------
+separator | `/` or `\\` | the separator based on the os
+
 ## functions
diff --git a/docs/api/system.md b/docs/api/system.md
index a5129aec8..c484cc12a 100644
--- a/docs/api/system.md
+++ b/docs/api/system.md
@@ -4,4 +4,10 @@ title: "system api"
 
 ## values
 
+name   | values | description
+----- |:----:| ------------------
+isWindows | 0 or 1 | check if the os is windows
+isLinux | 0 or 1 | check if the os is linux
+isOSX | 0 or 1 | check if the os is OSX
+
 ## functions