patchbomb, help/hgweb: do not refer to config files as hgrc files

hgext/patchbomb.py

@@ -22,8 +22,8 b' Each message refers to the first in the '
 and References headers, so they will show up as a sequence in threaded
 mail and news readers, and in mail archives.
 
-To configure other defaults, add a section like this to your hgrc
-file::
+To configure other defaults, add a section like this to your
+configuration file::
 
   [email]
   from = My Name <my@email>

mercurial/help/hgweb.txt

@@ -3,8 +3,8 b' repository, or a collection of them. In '
 configuration file can be used to specify the repository paths to use
 and global web configuration options.
 
-This file uses the same syntax as hgrc configuration files, but only
-the following sections are recognized:
+This file uses the same syntax as other Mercurial configuration files,
+but only the following sections are recognized:
 
   - web
   - paths