Update matrix/count_negative_numbers_in_sorted_matrix.py

Co-authored-by: Christian Clauss <[email protected]>

Author: CaedenPH

Diff for: matrix/count_negative_numbers_in_sorted_matrix.py

@@ -1,5 +1,5 @@
 """
-Given an `m x n` matrix grid which is sorted in non-increasing order
+Given an `m x n` matrix grid which is sorted in decreasing order
 both row-wise and column-wise, return the number of negative numbers in grid.
 
 Leetcode reference: https://leetcode.com/problems/count-negative-numbers-in-a-sorted-matrix