chore: fix more codeowners syntax errors

Change-Id: I0608c50139a5f201c1a0315b63b2fa0e927cf1d0
GitOrigin-RevId: 23f015fc6f0eab94b78fca8fb53502d11e78dfe6

Author: ferrarimarco

CODEOWNERS

@@ -3,7 +3,7 @@
 # Keep this list alphabetically ordered
 
 /projects/ai/agents/                                                  @allen-stephen
-/projects/ai/gen-media/experimental/genmedia_marketing_solution/      @isidrodeloera @layolin,@tdigangi
+/projects/ai/gen-media/experimental/genmedia_marketing_solution/      @isidrodeloera @layolin @tdigangi
 /projects/ai/gen-media/experimental/movieLenz-main/                   @tdigangi @layolin @allen-stephen
 /projects/ai/gen-media/images/                                        @isidrodeloera @layolin @tdigangi
 /projects/ai/gen-media/notebooks/imagen_r2i/                          @isidrodeloera @layolin @tdigangi