sentence cleanup

subjects/has-city/README.md

@@ -3,7 +3,7 @@
 ### Instructions
 
 Create a function `hasCity` that takes a string called `country` and a array of strings named `cities`,
-which contains the cities of that country and it returns a new function. \
+which returns a new function. \
 The new function takes a string called `city` as a parameter which returns
 whether the string is part of the `cities` array or not.