diff -r b9c4302310e5 -r 3d26d69ef822 mercurial/help/phases.txt
--- a/mercurial/help/phases.txt	Fri Mar 09 15:34:21 2012 -0500
+++ b/mercurial/help/phases.txt	Mon Mar 12 13:22:28 2012 +0100
@@ -14,7 +14,7 @@
 These phases are ordered (public < draft < secret) and no changeset
 can be in a lower phase than its ancestors. For instance, if a
 changeset is public, all its ancestors are also public. Lastly,
-changeset phases only be changed towards the public phase.
+changeset phases should only be changed towards the public phase.
 
 How are phases managed?
 -----------------------