diff --git a/c-programming/math/opt_int_div.c b/c-programming/math/opt_int_div.c
index 78d2a5d..4a8d603 100644
--- a/c-programming/math/opt_int_div.c
+++ b/c-programming/math/opt_int_div.c
@@ -1,6 +1,8 @@
 /*
  * opt_int_div.c
  *
+ * "Optimized integer division"
+ *
  * Author: Intel A80486DX2-66
  * License: Creative Commons Zero 1.0 Universal
  */
diff --git a/c-programming/math/opt_int_div.h b/c-programming/math/opt_int_div.h
index 3950600..12d5157 100644
--- a/c-programming/math/opt_int_div.h
+++ b/c-programming/math/opt_int_div.h
@@ -1,6 +1,8 @@
 /*
  * opt_int_div.h
  *
+ * "Optimized integer division"
+ *
  * Author: Intel A80486DX2-66
  * License: Creative Commons Zero 1.0 Universal
  */