6 files changed, 6 insertions, 0 deletions
diff --git a/primitive_types/primitive_types1.rs b/primitive_types/primitive_types1.rs
index 95c06de..c3d11fe 100644
--- a/primitive_types/primitive_types1.rs
+++ b/primitive_types/primitive_types1.rs
@@ -1,3 +1,4 @@
+// primitive_types1.rs
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 
diff --git a/primitive_types/primitive_types2.rs b/primitive_types/primitive_types2.rs
index a2c80f5..f5c8f87 100644
--- a/primitive_types/primitive_types2.rs
+++ b/primitive_types/primitive_types2.rs
@@ -1,3 +1,4 @@
+// primitive_types2.rs
 // Fill in the rest of the line that has code missing!
 // No hints, there's no tricks, just get used to typing these :)
 
diff --git a/primitive_types/primitive_types3.rs b/primitive_types/primitive_types3.rs
index 3476ba6..a2f9b3b 100644
--- a/primitive_types/primitive_types3.rs
+++ b/primitive_types/primitive_types3.rs
@@ -1,3 +1,4 @@
+// primitive_types3.rs
 // Create an array with at least 100 elements in it where the ??? is. 
 // Scroll down for hints!
 
diff --git a/primitive_types/primitive_types4.rs b/primitive_types/primitive_types4.rs
index b71cc33..c20b63b 100644
--- a/primitive_types/primitive_types4.rs
+++ b/primitive_types/primitive_types4.rs
@@ -1,3 +1,4 @@
+// primitive_types4.rs
 // Get a slice out of Array a where the ??? is so that the `if` statement
 // returns true. Scroll down for hints!!
 
diff --git a/primitive_types/primitive_types5.rs b/primitive_types/primitive_types5.rs
index a34b750..14c2fd2 100644
--- a/primitive_types/primitive_types5.rs
+++ b/primitive_types/primitive_types5.rs
@@ -1,3 +1,4 @@
+// primitive_types5.rs
 // Destructure the `cat` tuple so that the println will work.
 // Scroll down for hints!
 
diff --git a/primitive_types/primitive_types6.rs b/primitive_types/primitive_types6.rs
index 7ff9c67..d016642 100644
--- a/primitive_types/primitive_types6.rs
+++ b/primitive_types/primitive_types6.rs
@@ -1,3 +1,4 @@
+// primitive_types6.rs
 // Use a tuple index to access the second element of `numbers`.
 // You can put this right into the `println!` where the ??? is.
 // Scroll down for hints!