diff --git a/README.md b/README.md
index d40676d..5683995 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 these-3-words
 =============
 
-Address any 3x3meter square on earth with a unique three word name.
+Address any 3meter x 3meter square on earth with a unique three word name.
 
 Inspired by http://what3words.com/