OWNERS: Fix typo in 'matchers'

https://gerrit.googlesource.com/plugins/owners/+/refs/heads/master/owners/src/main/resources/Documentation/config.md#example-4-owners-based-on-matchers

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Id732831cb82b04ec75eb21957217ece8af107021
diff --git a/OWNERS b/OWNERS
index 8f789c1..87ef840 100644
--- a/OWNERS
+++ b/OWNERS
@@ -20,7 +20,7 @@
 #   * reviewers: A list of individuals who have requested review notification
 #     on the repository.
 #
-#   * matches: A list of specific file/path matches for granular 'owners' and
+#   * matchers: A list of specific file/path matchers for granular 'owners' and
 #     'reviewers'.  See 'owners' plugin documentation.
 #
 #   * openbmc: A list of openbmc-specific meta-data about owners and reviewers.
@@ -36,7 +36,7 @@
 
 reviewers:
 
-matches:
+matchers:
 
 openbmc:
 - name: Andrew Jeffery