diff --git a/quic/core/quic_connection_id_manager.h b/quic/core/quic_connection_id_manager.h
index e23668d..6755c62 100644
--- a/quic/core/quic_connection_id_manager.h
+++ b/quic/core/quic_connection_id_manager.h
@@ -168,7 +168,7 @@
   QuicNewConnectionIdFrame IssueNewConnectionId();
 
   // This should be set to the min of:
-  // (1) # of connection atcive IDs that peer can maintain.
+  // (1) # of active connection IDs that peer can maintain.
   // (2) maximum # of active connection IDs self plans to issue.
   size_t active_connection_id_limit_;
   const QuicClock* clock_;