Add missing word

examples/maps/maps.go

@@ -37,8 +37,9 @@ func main() {
     // value from a map indicates if the key was present
     // in the map. This can be used to disambiguate
     // between missing keys and keys with zero values
-    // like `0` or `""`. Here we didn't the value itself, so
-    // we ignored it with the _blank identifier_ `_`.
+    // like `0` or `""`. Here we didn't need the value
+    // itself, so we ignored it with the _blank identifier_
+    // `_`.
     _, prs := m["k2"]
     fmt.Println("prs:", prs)
 

examples/maps/maps.hash

@@ -1,2 +1,2 @@
-ee96724fc32ee253ba2a5390d66d6880d7fdd28f
-Z2ORjMdW_u
+2895d63b87f88ab374256c12dd1539cf7b070b77
+E6cGoiKqka