diff --git a/doc_src/index.hdr.in b/doc_src/index.hdr.in
index b0b8cf49d..4a498f9d5 100644
--- a/doc_src/index.hdr.in
+++ b/doc_src/index.hdr.in
@@ -1102,7 +1102,7 @@ If you have a question not answered by this documentation, there are several ave
 
 -# The official mailing list at <a href='https://lists.sf.net/lists/listinfo/fish-users'>fish-users@lists.sf.net</a>
 
--# The Internet Relay Chat channel, `#fish` on `irc.oftc.net`
+-# The Internet Relay Chat channel, \#fish on `irc.oftc.net`
 
 -# The <a href="https://github.com/fish-shell/fish-shell/">project GitHub page</a>