diff --git a/.gitattributes b/.gitattributes
index 035d6c6dcdac..a76baa9ed3e9 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,5 @@
 *	text=auto
 *	ident
+*.h	linguist-language=c
+*.c	linguist-language=c
+doc/*	linguist-documentation