Update Day_11.md

Author: darkprinx

Status/Day_11.md

@@ -89,7 +89,7 @@ print(tpl1)
 
 **Question:**
 
-***Write a program which accepts a string as input to print "Yes" if the string is "yes" or "YES" or "Yes", otherwise print "No". ***
+***Write a program which accepts a string as input to print "Yes" if the string is "yes" or "YES" or "Yes", otherwise print "No".***
 
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 ### Hints: Use if statement to judge condition.