--- a/mercurial/commands.py	Wed Jan 24 22:26:28 2018 -0500
+++ b/mercurial/commands.py	Tue Jan 23 21:14:36 2018 +0900
@@ -4560,7 +4560,7 @@
 
        To check out earlier revisions, you should use :hg:`update REV`.
        To cancel an uncommitted merge (and lose your changes),
-       use :hg:`update --clean .`.
+       use :hg:`merge --abort`.
 
     With no revision specified, revert the specified files or directories
     to the contents they had in the parent of the working directory.
@@ -5501,7 +5501,7 @@
          the working directory is updated to the requested changeset.
 
     To cancel an uncommitted merge (and lose your changes), use
-    :hg:`update --clean .`.
+    :hg:`merge --abort`.
 
     Use null as the changeset to remove the working directory (like
     :hg:`clone -U`).