Update README.md

README.md

@@ -10,17 +10,17 @@ tags:
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   - text: |-
       ### Instruction:
-      Write a function to find cube of a number.
+      Write a function to find square of a number.
       
       ### Response:
   - text: |-
       ### Instruction:
-      Write a function to find factorial.
+      Write a function to calculate factorial.
       
       ### Response:
   - text: |-
       ### Instruction:
-      Write a function to check whether a number is prime or not.
+      Write a function to check whether a number is prime.
       
       ### Response:
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