Update README.md

README.md

@@ -109,15 +109,13 @@ POSITIONAL ARGUMENTS:
 test: Runs mocha tests
 
 For global options help run: hardhat help
-```
-
+````
 ### Changed file as argument
 
 The path of the changed file can be inserted into positional arguments using the template parameter `{path}`. This speeds up iteration in testing, especially if using single test isolation (for example, by using `it.only("test")` in mocha.)
 
 Example:
-```
-
+````
 module.exports = {
   watcher: {
     test: {
@@ -127,5 +125,5 @@ module.exports = {
     }
   }
 }
-```
+````