corrected grammar in const dir

Author: RaeesStevens

Sprint-2/1-key-exercises/3-paths.js

@@ -17,7 +17,7 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = filepath.slice(0,lastSlashIndex);
+const dir = filePath.slice(0,lastSlashIndex);
 console.log(dir);
 const ext = slice();