diff --git a/README.md b/README.md
index b750270..7e5addd 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ var interp = require("ndarray-linear-interpolate")
 var x = ndarray(new Float32Array(9), [3, 3])
 x.set(1, 1, 1.0)
 
-for(var u=0.0, u<=3.0; u+=0.25) {
+for(var u=0.0; u<=3.0; u+=0.25) {
   var row = []
   for(var v=0.0; v<=3.0; v+=0.25) {
     row.push(interp(x, u, v))