diff --git a/thinkcspy/Chapter-13-Exercises/readposint.py b/thinkcspy/Chapter-13-Exercises/readposint.py
index 51dbb5d..5a8eb6b 100644
--- a/thinkcspy/Chapter-13-Exercises/readposint.py
+++ b/thinkcspy/Chapter-13-Exercises/readposint.py
@@ -2,9 +2,9 @@ def readposint(num):
     try:
         val = int(num)
         if val > 0:
-            print("You entered '{}'.".format(val))
+            print("You entered '{}'. That's a positive number!".format(val))
         else:
-            print("'{}' is not a positive.".format(val))
+            print("'{}' is not a positive number.".format(val))
     except Exception:
         print("'{}' is not a number.".format(num))