Merge branch 'jc/grammo-fixes'

Doc updates.

* jc/grammo-fixes:
  doc: grammofix in git-diff-tree
  tutorial: grammofix

Author: gitster

Documentation/git-diff-tree.txt

@@ -88,7 +88,7 @@ include::pretty-options.txt[]
 
 --no-commit-id::
 	'git diff-tree' outputs a line with the commit ID when
-	applicable.  This flag suppressed the commit ID output.
+	applicable.  This flag suppresses the commit ID output.
 
 -c::
 	This flag changes the way a merge commit is displayed

Documentation/gittutorial.txt

@@ -360,7 +360,7 @@ $ gitk HEAD...FETCH_HEAD
 This means "show everything that is reachable from either one, but
 exclude anything that is reachable from both of them".
 
-Please note that these range notation can be used with both `gitk`
+Please note that these range notations can be used with both `gitk`
 and `git log`.
 
 After inspecting what Bob did, if there is nothing urgent, Alice may