Editorial changes

Author: Burlacu Vasilii

guides/v2.2/javascript-dev-guide/widgets/widget_dropdown.md

@@ -48,7 +48,6 @@ Widget source file is [lib/web/mage/dropdowns.js].
 ### Styles
 
 Because the dropdown widget is not formatted by default, use [LESS mixin `.lib-dropdown()`] to customize it.
-Use [LESS mixin `.lib-dropdown()`] to customize it.
 
 ```less
 //
@@ -104,7 +103,7 @@ Use [LESS mixin `.lib-dropdown()`] to customize it.
 
 ## Initialize the dropdown widget {#dropdown_init}
 
-The loader widget is initialized as described in [JavaScript initialization]({{ page.baseurl }}/javascript-dev-guide/javascript/js_init.html).
+The dropdown widget is initialized as described in [JavaScript initialization]({{ page.baseurl }}/javascript-dev-guide/javascript/js_init.html).
 
 ### Initialize with `data-mage-init` attribute
 
@@ -138,7 +137,6 @@ $('.magento__dropdown-widget').dropdown();
 ### `parent` {#d_parent}
 
 The parent element that initialized the widget. If not specified, the widget locates the element using the `.parent()` jQuery method.
-the widget finds it himself with jQuery method `.parent()`.
 
 **Type**:
 
@@ -161,9 +159,6 @@ Determines whether to close the dropdown menu when the user clicks outside of th
 ### `btnArrow` {#d_btnArrow}
 
 (Optional) A jQuery selector that updates the arrow to `+` or `-` based on the state of the dropdown.
-The widget changes given element's text to '+' or '-", depending on the dropdown state.
-It's not required the element to be present in the dropdown HTML markup. It works
-just fine without it as well.
 
 **Type**: String
 
@@ -173,7 +168,6 @@ just fine without it as well.
 ### `menu` {#d_menu}
 
 A jQuery selector that represents the dropdown's menu element. `menu` must be inside the `parent` element.
-Looking at the HTML markup, given element has to be inside the `parent` option.
 
 **Type**: String