[PATCH] Clarify the usage of HGRCPATH

[Dongsheng Song]

# HG changeset patch
# User Dongsheng Song <dongsheng.song at gmail.com>
# Date 1236413206 -28800
# Node ID 4a69b52124ba0d0e72d8ea546e0867e7234290f0
# Parent  6542be5df71969ab4b2942539bfb86d3cca07f17
Clarify the usage of HGRCPATH

diff --git a/mercurial/help.py b/mercurial/help.py
--- a/mercurial/help.py
+++ b/mercurial/help.py
@@ -135,8 +135,8 @@
     from the current repository is read.
 
     For each element in HGRCPATH:
-    * if it's a directory, all directories ending with .rc are added
-    * otherwise, the directory itself will be added
+    * if it's a directory, all files ending with .rc are added
+    * otherwise, the file itself will be added
 
 HGUSER::
     This is the string used as the author of a commit. If not set,
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