diff --git a/.hgignore b/.hgignore
index e8b8b309..df5eca6f 100644
--- a/.hgignore
+++ b/.hgignore
@@ -28,3 +28,5 @@ lib/chibi/process.c
 lib/chibi/system.c
 lib/chibi/time.c
 lib/chibi/stty.c
+doc/*.html
+doc/lib/chibi/*.html