diff --git a/arrays_and_strings/array-check_mountain.py b/arrays_and_strings/check_mountain.py
similarity index 82%
rename from arrays_and_strings/array-check_mountain.py
rename to arrays_and_strings/check_mountain.py
index 029f20e..c29cd00 100644
--- a/arrays_and_strings/array-check_mountain.py
+++ b/arrays_and_strings/check_mountain.py
@@ -4,8 +4,7 @@
 
 '''
 Given an array of integers arr, return true if and only if it is a valid mountain array.
-
-Recall that arr is a mountain array if and only if:
+An array is a moutain array if and only if:
 
 arr.length >= 3
 There exists some i with 0 < i < arr.length - 1 such that:
@@ -20,24 +19,18 @@ def valid_mountain_array(arr: list[int]) -> bool:
         for i, n in enumerate(arr[1:]):
             
             if n > last_number:
-                
                 if mountain_up == False:
                     return False
                 
             elif n < last_number:
-                
                 if i == 0:
                     return False
                 mountain_up = False
             
             else:
                 return False
-            
+                    
             last_number = n
         
         return not mountain_up
 
-
-if __name__ == "__main__":
-    arr = [0,3,2,1]
-    print(valid_mountain_array(arr))