diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 95e63c39..1fee091e 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -7,7 +7,7 @@
 // in the signatures for now. If anything, this is a good way to peek ahead
 // to future exercises!)
 
-// I AM NOT DONE
+
 
 fn main() {
     let original_price = 51;
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index 5d762961..5fa8278c 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -9,5 +9,5 @@ fn main() {
 }
 
 fn square(num: i32) -> i32 {
-    num * num;
+    num * num
 }