Update README.md

ngdo-pro · web-flow · commit dda95822ed3f · 2017-10-16T17:02:45.000+02:00
diff --git a/README.md b/README.md
@@ -295,7 +295,7 @@ function addToDate(date, month) {
 
 const date = new Date();
 
-// It's hard to to tell from the function name what is added
+// It's hard to tell from the function name what is added
 addToDate(date, 1);
 ```
 
