diff --git a/doc/indent_guides.txt b/doc/indent_guides.txt
index 23926d6..9f4d582 100644
--- a/doc/indent_guides.txt
+++ b/doc/indent_guides.txt
@@ -1,4 +1,4 @@
-*indent-guides.txt*  A plugin for visually displaying indent levels in Vim.
+*indent_guides.txt*  A plugin for visually displaying indent levels in Vim.
 
                                                                  *indent-guides*
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