Update README.md

add a space

Co-authored-by: Peter Dave Hello <[email protected]>

Author: otaviosilva22

README.md

@@ -80,7 +80,7 @@ services:
       - ./:/home/node/app
     expose:
       - "8081"
-    ports: #use if it is necessary to expose the container to the host machine
+    ports: # use if it is necessary to expose the container to the host machine
       - "8081": "8081"
     command: "npm start"
 ```