diff --git a/exercises/039_pointers.zig b/exercises/039_pointers.zig
index 24ca46d..792fcc7 100644
--- a/exercises/039_pointers.zig
+++ b/exercises/039_pointers.zig
@@ -4,7 +4,7 @@
 //     var foo: u8 = 5;      // foo is 5
 //     var bar: *u8 = &foo;  // bar is a pointer
 //
-// What is a pointer? It's a reference to a value. In this example
+// What is a pointer? It's a reference to a value. In this example,
 // bar is a reference to the memory space that currently contains the
 // value 5.
 //
diff --git a/exercises/103_tokenization.zig b/exercises/103_tokenization.zig
index 972e8e8..7ac56cb 100644
--- a/exercises/103_tokenization.zig
+++ b/exercises/103_tokenization.zig
@@ -2,7 +2,7 @@
 // The functionality of the standard library is becoming increasingly
 // important in Zig. First of all, it is helpful to take a look at how
 // the individual functions are implemented. Because this is wonderfully
-// suitable as a template for your own functions. In addition these
+// suitable as a template for your own functions. In addition, these
 // standard functions are part of the basic configuration of Zig.
 //
 // This means that they are always available on every system.