Apply suggestions from code review

Author: czgdp1807

pydatastructs/miscellaneous_data_structures/sparse_table.py

@@ -86,7 +86,7 @@ def query(self, start, end):
         start: int
             The starting index of the range.
         end: int
-            The ending index of the range
+            The ending index of the range.
         """
         j = int(math.log2(end - start + 1)) + 1
         answer = None