diff --git a/README.md b/README.md
index 8333344..3643420 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ vim-nc
 
 G-Code highlighting for VIM. Differently colors things like T, M, and G codes
 as well as X, Y, and Z axis movements (including incremental(I, J, K) and
-world(U, V, W)).
+relative(U, V, W)).
 
 Originally created by Gary Fixler.