diff --git a/exercises/03_assignment.zig b/exercises/03_assignment.zig
index d26f2a2..662fd18 100644
--- a/exercises/03_assignment.zig
+++ b/exercises/03_assignment.zig
@@ -20,6 +20,9 @@
 // Example: foo can hold 8 bits (0 to 255)
 //          bar can hold 16 bits (0 to 65,535)
 //
+//     const foo: u8 = 20;
+//     const bar: u16 = 2000;
+//
 // You can do just about any combination of these that you can think of:
 // 
 //     u32 can hold 0 to 4,294,967,295
diff --git a/exercises/04_arrays.zig b/exercises/04_arrays.zig
index b8eeb9d..c1e9fd9 100644
--- a/exercises/04_arrays.zig
+++ b/exercises/04_arrays.zig
@@ -1,7 +1,7 @@
 //
 // Let's learn some array basics. Arrays are declared with:
 //
-//   var foo [3]u32 = [3]u32{ 42, 108, 5423 };
+//   var foo: [3]u32 = [3]u32{ 42, 108, 5423 };
 //
 // When Zig can infer the size of the array, you can use '_' for the
 // size. You can also let Zig infer the type of the value so the
diff --git a/exercises/09_if.zig b/exercises/09_if.zig
index 28ac712..a472e48 100644
--- a/exercises/09_if.zig
+++ b/exercises/09_if.zig
@@ -24,7 +24,7 @@ pub fn main() void {
 
     // Please fix this condition:
     if (foo) {
-        // We want out program to print this message!
+        // We want our program to print this message!
         std.debug.print("Foo is 1!\n", .{});
     } else {
         std.debug.print("Foo is not 1!\n", .{});