diff --git a/README.md b/README.md
index b103466139..b61147a24b 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Input:
    p, principal amount
    t, time period in years
    r, annual rate of interest
-Output
+Output:
    simple interest = p*t*r
 ```