Fix comment style
diff --git a/src/core/lib/iomgr/ev_epoll_linux.c b/src/core/lib/iomgr/ev_epoll_linux.c
index cc7beec..b896b94 100644
--- a/src/core/lib/iomgr/ev_epoll_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_linux.c
@@ -1258,7 +1258,7 @@
     set_shutdown(exec_ctx, fd, &fd->read_closure, why);
     set_shutdown(exec_ctx, fd, &fd->write_closure, why);
   } else {
-    // Shutdown already called
+    /* Shutdown already called */
     GRPC_ERROR_UNREF(why);
   }
 }
@@ -1461,7 +1461,7 @@
                                grpc_pollset *notifier) {
   set_ready(exec_ctx, fd, &fd->read_closure);
 
-  // Note, it is possible that fd_become_readable might be called twice with
+  /* Note, it is possible that fd_become_readable might be called twice with
   // different 'notifier's when an fd becomes readable and it is in two epoll
   // sets (This can happen briefly during polling island merges). In such cases
   // it does not really matter which notifer is set as the read_notifier_pollset