diff --git a/README.md b/README.md
index 6378c30..3765bdc 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # qb64-include
-A collection of  functions and sub routines.
+A collection of  functions and subroutines.
 
 ## [atob.bm](https://github.com/visionmercer/qb64-include/blob/main/atob.bm)
 ASCII to Base64 encoding