diff --git a/FirebasePerformance/Sources/FIRPerformance.m b/FirebasePerformance/Sources/FIRPerformance.m
index 2fd74e28818..25fbe5c2a1e 100644
--- a/FirebasePerformance/Sources/FIRPerformance.m
+++ b/FirebasePerformance/Sources/FIRPerformance.m
@@ -51,8 +51,8 @@ - (FIRTrace *)traceWithName:(NSString *)name {
     FPRLogError(kFPRTraceNotCreated, @"Failed creating trace %@. Firebase is not configured.",
                 name);
     [NSException raise:kFirebasePerfErrorDomain
-                format:@"The default Firebase app has not yet been configured. Add [FirebaseApp "
-                       @"configure] to your application initialization."];
+                format:@"The default Firebase app has not yet been configured. Add "
+                       @"`FirebaseApp.configure()` to your application initialization."];
     return nil;
   }
   FIRTrace *trace = [[FIRTrace alloc] initWithName:name];