diff --git a/04_challenge/04_challenge.py b/04_challenge/04_challenge.py
index a3f5edf..1cc8304 100644
--- a/04_challenge/04_challenge.py
+++ b/04_challenge/04_challenge.py
@@ -23,7 +23,7 @@ def fizzbuzz(max_num):
     for i in range(1,max_num):
         # % or modulo division gives you the remainder 
         if i%num1==0 and i%num2==0:
-        print(i,three_mul+five_mul)
+             print(i,three_mul+five_mul)
         elif i%num1==0:
             print(i,three_mul)
         elif i%num2==0:
diff --git a/04_challenge/readme.md b/04_challenge/readme.md
index e69de29..7c421fd 100644
--- a/04_challenge/readme.md
+++ b/04_challenge/readme.md
@@ -0,0 +1,5 @@
+a.Just by reading the error message"expected an indented block" i got it.
+
+b. i knew where the error was fixed it quite easily.
+
+c. to look carefully for Indented blocks
\ No newline at end of file