diff --git a/README.md b/README.md
index 37cf5bf..811ab35 100644
--- a/README.md
+++ b/README.md
@@ -107,10 +107,10 @@ simplemde.value("This text will appear in the editor");
 - **status**: If set to `false`, hide the status bar. Defaults to the array of built-in status bar items.
   - Optionally, you can set an array of status bar items to include, and in what order. You can even define your own custom status bar items.
 - **styleSelectedText**: If set to `false`, remove the `CodeMirror-selectedtext` class from selected lines. Defaults to `true`.
+- **syncSideBySidePreviewScroll**: If set to `false`, disable syncing scroll in side by side mode. Defaults to `true`.
 - **tabSize**: If set, customize the tab size. Defaults to `2`.
 - **toolbar**: If set to `false`, hide the toolbar. Defaults to the [array of icons](#toolbar-icons).
 - **toolbarTips**: If set to `false`, disable toolbar button tips. Defaults to `true`.
-- **syncPreviewSideScroll**: If set to `false`, disable syncing scroll in side by side mode. Defaults to `true`.
 
 ```JavaScript
 // Most options demonstrate the non-default behavior
diff --git a/src/js/simplemde.js b/src/js/simplemde.js
index 18c04bb..fa1fc93 100644
--- a/src/js/simplemde.js
+++ b/src/js/simplemde.js
@@ -1667,7 +1667,7 @@ SimpleMDE.prototype.createSideBySide = function() {
 		wrapper.parentNode.insertBefore(preview, wrapper.nextSibling);
 	}
 
-	if(this.options.syncPreviewSideScroll === false) return preview;
+	if(this.options.syncSideBySidePreviewScroll === false) return preview;
 	// Syncs scroll  editor -> preview
 	var cScroll = false;
 	var pScroll = false;