Documentation: "advice" is uncountable

"Advice" is a mass noun, not a count noun; it's not ordinarily
pluralized.

Signed-off-by: Greg Price <price@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/config.txt b/Documentation/config.txt
index e452ff8..dbb2faf 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -168,7 +168,7 @@
 		Advice shown when linkgit:git-merge[1] refuses to
 		merge to avoid overwriting local changes.
 	resolveConflict::
-		Advices shown by various commands when conflicts
+		Advice shown by various commands when conflicts
 		prevent the operation from being performed.
 	implicitIdentity::
 		Advice on how to set your identity configuration when
diff --git a/t/t7512-status-help.sh b/t/t7512-status-help.sh
index b3f6eb9..95d6510 100755
--- a/t/t7512-status-help.sh
+++ b/t/t7512-status-help.sh
@@ -5,7 +5,7 @@
 #		     Grenoble INP Ensimag
 #
 
-test_description='git status advices'
+test_description='git status advice'
 
 . ./test-lib.sh