diff --git a/Tone/component/Envelope.js b/Tone/component/Envelope.js
index <HASH>..<HASH> 100644
--- a/Tone/component/Envelope.js
+++ b/Tone/component/Envelope.js
@@ -128,7 +128,7 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal",
 	 *   <li>linear</li>
 	 *   <li>exponential</li>
 	 *   <li>sine</li>
-	 *   <li>ease</li>
+	 *   <li>cosine</li>
 	 *   <li>bounce</li>
 	 *   <li>ripple</li>
 	 *   <li>step</li>
ease renamed to cosine

[skip ci]