diff --git a/doc/mrbgems/README.md b/doc/mrbgems/README.md
index d17547b3d..3082c0df0 100644
--- a/doc/mrbgems/README.md
+++ b/doc/mrbgems/README.md
@@ -1,7 +1,7 @@
 # mrbgems
 
 mrbgems is a library manager to integrate C and Ruby extension in an easy and
-standardized way into mruby.
+standardised way into mruby.
 
 ## GEM Structure