5 files changed, 10 insertions, 0 deletions
diff --git a/exercises/functions/functions1.rs b/exercises/functions/functions1.rs
index 313fe1e..49d48e9 100644
--- a/exercises/functions/functions1.rs
+++ b/exercises/functions/functions1.rs
@@ -1,6 +1,8 @@
 // functions1.rs
 // Make me compile! Execute `rustlings hint function1` for hints :)
 
+// I AM NOT DONE
+
 fn main() {
     call_me();
 }
diff --git a/exercises/functions/functions2.rs b/exercises/functions/functions2.rs
index 9bb3d76..108ba38 100644
--- a/exercises/functions/functions2.rs
+++ b/exercises/functions/functions2.rs
@@ -1,6 +1,8 @@
 // functions2.rs
 // Make me compile! Execute `rustlings hint functions2` for hints :)
 
+// I AM NOT DONE
+
 fn main() {
     call_me(3);
 }
diff --git a/exercises/functions/functions3.rs b/exercises/functions/functions3.rs
index b2e90f6..e3c1bf7 100644
--- a/exercises/functions/functions3.rs
+++ b/exercises/functions/functions3.rs
@@ -1,6 +1,8 @@
 // functions3.rs
 // Make me compile! Execute `rustlings hint functions3` for hints :)
 
+// I AM NOT DONE
+
 fn main() {
     call_me();
 }
diff --git a/exercises/functions/functions4.rs b/exercises/functions/functions4.rs
index 78fc27b..6bf46f0 100644
--- a/exercises/functions/functions4.rs
+++ b/exercises/functions/functions4.rs
@@ -4,6 +4,8 @@
 // This store is having a sale where if the price is an even number, you get
 // 10 (money unit) off, but if it's an odd number, it's 3 (money unit) less.
 
+// I AM NOT DONE
+
 fn main() {
     let original_price = 51;
     println!("Your sale price is {}", sale_price(original_price));
diff --git a/exercises/functions/functions5.rs b/exercises/functions/functions5.rs
index c7841a6..d22aa6c 100644
--- a/exercises/functions/functions5.rs
+++ b/exercises/functions/functions5.rs
@@ -1,6 +1,8 @@
 // functions5.rs
 // Make me compile! Execute `rustlings hint functions5` for hints :)
 
+// I AM NOT DONE
+
 fn main() {
     let answer = square(3);
     println!("The answer is {}", answer);