diff --git a/src/ComponentInstaller.php b/src/ComponentInstaller.php
index 28045ad..e2313ff 100644
--- a/src/ComponentInstaller.php
+++ b/src/ComponentInstaller.php
@@ -548,7 +548,11 @@ private function promptToRememberOption(InjectorInterface $injector, $packageTyp
         while (true) {
             $answer = $this->io->ask(implode($ask), 'y');
             if (! is_string($answer)) {
-                throw new RuntimeException(sprintf('Expected `%s#ask` to return a string: "%s" returned', IOInterface::class, gettype($answer)));
+                throw new RuntimeException(sprintf(
+                    'Expected `%s#ask` to return a string: "%s" returned',
+                    IOInterface::class,
+                    gettype($answer)
+                ));
             }
 
             switch (strtolower($answer)) {