[PATCH] help: fix typo

[Ludovic Chabant]

# HG changeset patch
# User Ludovic Chabant <ludovic at chabant.com>
# Date 1546539214 28800
#      Thu Jan 03 10:13:34 2019 -0800
# Node ID 5a2a6ab7bc37af9294b58edfd4d224706940ff19
# Parent  5c68b617ba2463eb6f1372a24b139a376c6bf6bd
help: fix typo

diff --git a/mercurial/help/config.txt b/mercurial/help/config.txt
--- a/mercurial/help/config.txt
+++ b/mercurial/help/config.txt
@@ -462,7 +462,7 @@
     (default: False)
 
 ``status.terse``
-    Default value for the --terse flag, which condenes status output.
+    Default value for the --terse flag, which condenses status output.
     (default: empty)
 
 ``update.check``