[PATCH] help: update help for `hg update` which was misleading (bug5427)

[Pulkit Goyal]

# HG changeset patch
# User Pulkit Goyal <7895pulkit at gmail.com>
# Date 1484691259 -19800
#      Wed Jan 18 03:44:19 2017 +0530
# Node ID 96526ae813742f2e230beb243a8317eb80cd5e16
# Parent  08b34c3a6f74800b5b357f371568177827963e2b
help: update help for `hg update` which was misleading (bug5427)

diff -r 08b34c3a6f74 -r 96526ae81374 mercurial/commands.py
--- a/mercurial/commands.py	Tue Jan 17 11:25:02 2017 -0800
+++ b/mercurial/commands.py	Wed Jan 18 03:44:19 2017 +0530
@@ -6481,10 +6481,10 @@
     changeset (see :hg:`help parents`).
 
     If the changeset is not a descendant or ancestor of the working
-    directory's parent, the update is aborted. With the -c/--check
-    option, the working directory is checked for uncommitted changes; if
-    none are found, the working directory is updated to the specified
-    changeset.
+    directory's parent and there are uncommitted changes, the update is
+    aborted. With the -c/--check option, the working directory is checked
+    for uncommitted changes; if none are found, the working directory is
+    updated to the specified changeset.
 
     .. container:: verbose