diff --git a/doc/.gitignore b/doc/.gitignore
index dc361bb..b4bbda9 100644
--- a/doc/.gitignore
+++ b/doc/.gitignore
@@ -10,3 +10,5 @@
 *.idx
 *.ilg
 *.ind
+*.nav
+*.snm
\ No newline at end of file