docs(readme): correct comment syntax in usage example

README.md

@@ -252,8 +252,8 @@ The output of `fswatch` can be piped to other program in order to process it
 further:
 
     $ fswatch -0 path | while read -d "" event
-      do \
-        // do something with ${event}
+      do
+        # do something with ${event}
       done
 
 To run a command when a set of change events is printed to standard output but