diff --git a/mercurial/help/revsets.txt b/mercurial/help/revsets.txt
--- a/mercurial/help/revsets.txt
+++ b/mercurial/help/revsets.txt
@@ -183,7 +183,7 @@ Some sample queries:
     hg log -r 'head() and not closed()'
 
 - Changesets between tags 1.3 and 1.5 mentioning "bug" that affect
-  hgext/*::
+  ``hgext/*``::
 
     hg log -r '1.3::1.5 and keyword(bug) and file("hgext/*")'