diff --git a/api_docs/classes/Dom.html b/api_docs/classes/Dom.html
index 45526b8..324eacc 100644
--- a/api_docs/classes/Dom.html
+++ b/api_docs/classes/Dom.html
@@ -1731,7 +1731,7 @@ <h5>Example</h5>
     
         <a href="../../files/src_fx.js.html#l116"><code>src\fx.js:116</code></a>
     </span><br>
-    <p>Appears a disappeared element, disappears and appeared element</p>
+    <p>Appears a disappeared element, disappears an appeared element</p>
     
     
     
diff --git a/api_docs/data.json b/api_docs/data.json
index c71c33c..e7ef864 100644
--- a/api_docs/data.json
+++ b/api_docs/data.json
@@ -1789,7 +1789,7 @@
         {
             "file": "src\\fx.js",
             "line": 116,
-            "description": "Appears a disappeared element, disappears and appeared element",
+            "description": "Appears a disappeared element, disappears an appeared element",
             "itemtype": "method",
             "name": "toggleVisibility",
             "return": {
diff --git a/api_docs/files/src_fx.js.html b/api_docs/files/src_fx.js.html
index 406630a..5279910 100644
--- a/api_docs/files/src_fx.js.html
+++ b/api_docs/files/src_fx.js.html
@@ -201,7 +201,7 @@ <h2 class="no-toc">Files</h2>
     },
 
     /**
-     * Appears a disappeared element, disappears and appeared element
+     * Appears a disappeared element, disappears an appeared element
      * 
      * @for Dom
      * @method toggleVisibility