MAINTAINERS: fix syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie1e068c27b22f3c44448970c1d8b7bc41ae0e5e5
diff --git a/MAINTAINERS b/MAINTAINERS
index 5a506c7..49baccb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -47,5 +47,5 @@
 M:  Ed Tanous <edtanous@google.com> <edtanous!>
 M:  Nancy Yuen <yuenn@google.com> <yuennancy!>
 M:  William Kennington <wak@google.com> <wak-work!>
-M:  Ofer Yehielli <ofery@google.com> <ofery>
+M:  Ofer Yehielli <ofery@google.com> <ofery!>