[PATCH 1 of 4] templatefilers: correct filename in header comment

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1497011302 -32400
#      Fri Jun 09 21:28:22 2017 +0900
# Node ID 93fcb94e14ea554b694ed4ed97c515906711bb90
# Parent  c2cb0de2512055123517289f398b8b554c31a5ed
templatefilers: correct filename in header comment

diff --git a/mercurial/templatefilters.py b/mercurial/templatefilters.py
--- a/mercurial/templatefilters.py
+++ b/mercurial/templatefilters.py
@@ -1,4 +1,4 @@
-# template-filters.py - common template expansion filters
+# templatefilters.py - common template expansion filters
 #
 # Copyright 2005-2008 Matt Mackall <mpm at selenic.com>
 #