diff --git a/.gitignore b/.gitignore
index 78e8e71..0eb0b45 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# automatic gernerated source
+docs/*
+
 # Prerequisites
 *.d
 
@@ -35,4 +38,4 @@
 .vscode/*
 .history/
 *.vsix
-*.workspace
\ No newline at end of file
+*.workspace