diff -r 25b02c6f73a6 -r 9ef92384415c mercurial/commands.py
--- a/mercurial/commands.py	Fri Oct 25 01:14:18 2013 +0900
+++ b/mercurial/commands.py	Fri Oct 25 01:14:18 2013 +0900
@@ -556,7 +556,7 @@
 
       - skip all revisions that do not touch directories ``foo`` or ``bar``::
 
-          hg bisect --skip '!( file("path:foo") & file("path:bar") )'
+          hg bisect --skip "!( file('path:foo') & file('path:bar') )"
 
       - forget the current bisection::
 
@@ -568,7 +568,7 @@
           hg bisect --reset
           hg bisect --bad 34
           hg bisect --good 12
-          hg bisect --command 'make && make tests'
+          hg bisect --command "make && make tests"
 
       - see all changesets whose states are already known in the current
         bisection::