diff --git a/hgext/fetch.py b/hgext/fetch.py
--- a/hgext/fetch.py
+++ b/hgext/fetch.py
@@ -61,7 +61,7 @@ def fetch(ui, repo, source='default', **
         branchnode = None
     if parent != branchnode:
         raise error.Abort(_('working directory not at branch tip'),
-                         hint=_('use "hg update" to check out branch tip'))
+                         hint=_("use 'hg update' to check out branch tip"))
 
     wlock = lock = None
     try:
diff --git a/tests/test-fetch.t b/tests/test-fetch.t
--- a/tests/test-fetch.t
+++ b/tests/test-fetch.t
@@ -339,7 +339,7 @@ pull in change on different branch than 
   (branches are permanent and global, did you want a bookmark?)
   $ hg -R n2 fetch -m merge n1
   abort: working directory not at branch tip
-  (use "hg update" to check out branch tip)
+  (use 'hg update' to check out branch tip)
   [255]
 
 parent should be 0 (fetch did not update or merge anything)