diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb0f532..d326cf3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -178,6 +178,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: bufbuild/buf-setup-action@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Verify protos match pinned BSR version
         run: |
           TMPDIR=$(mktemp -d)
diff --git a/proto/macp/v1/envelope.proto b/proto/macp/v1/envelope.proto
index b1a7c54..9b66b58 100644
--- a/proto/macp/v1/envelope.proto
+++ b/proto/macp/v1/envelope.proto
@@ -6,7 +6,7 @@ package macp.v1;
 
 message Envelope {
   string macp_version = 1;
-  string mode = 2;                // empty for ambient Signals
+  string mode = 2;             // empty for ambient Signals
   string message_type = 3;
   string message_id = 4;
   string session_id = 5;       // empty for ambient messages