Update README.md

Author: Kingcatch

README.md

@@ -1,6 +1,6 @@
 A collection of exercises, geared toward practising the fundamentals of python programming including list comprehension, functions, dictionaries and loops.
 
-Also includes the some simple functions for string manipulation and numeric operations including:
+Also includes some simple functions for string manipulation and numeric operations including:
 - a time conversion function
 - a function to find the longest word in a string
 - summing up numbers in a list or range