diff --git a/demo.html b/demo.html
index b52a614..ae3b731 100644
--- a/demo.html
+++ b/demo.html
@@ -9,12 +9,12 @@
 <body>
   <h1>speak.js</h1>
   <h2>Text-To-Speech on the Web</h2>
-  <form onsubmit="speak(text.value, { amplitude: amplitude.value, wordgap: workdgap.value, pitch: pitch.value, speed: speed.value }); return false">
+  <form onsubmit="speak(text.value, { amplitude: amplitude.value, wordgap: workggap.value, pitch: pitch.value, speed: speed.value }); return false">
     Text: <input type="text" name="text" size=50 value="Never gonna give, you, up.">
     Amplitude: <input type="text" name="amplitude" size=5 value="100">
     Pitch: <input type="text" name="pitch" size=5 value="50">
     Speed: <input type="text" name="speed" size=5 value="175">
-    Word gap: <input type="text" name="workdgap" size=5 value="0">
+    Word gap: <input type="text" name="workggap" size=5 value="0">
     <input type="submit" value="Go!">
   </form>
   <hr>
