fix typo

Author: jrushlow

src/Util/ComposeFileManipulator.php

@@ -80,9 +80,7 @@ public function removeDockerService(string $name): void
 
     public function exposePorts(string $service, array $ports): void
     {
-        $portData = [];
-
-        $portData[] = sprintf('%s, To allow the host machine to access the ports below, modify the lines below.', YamlSourceManipulator::COMMENT_PLACEHOLDER_VALUE);
+        $portData[] = sprintf('%s To allow the host machine to access the ports below, modify the lines below.', YamlSourceManipulator::COMMENT_PLACEHOLDER_VALUE);
         $portData[] = sprintf('%s For example, to allow the host to connect to port 3306 on the container, you would change', YamlSourceManipulator::COMMENT_PLACEHOLDER_VALUE);
         $portData[] = sprintf('%s "3306" to "3306:3306". Where the first port is exposed to the host and the second is the container port.', YamlSourceManipulator::COMMENT_PLACEHOLDER_VALUE);
         $portData[] = sprintf('%s See https://docs.docker.com/compose/compose-file/#ports for more information.', YamlSourceManipulator::COMMENT_PLACEHOLDER_VALUE);