docs(README): fix typo

Author: topheman

README.md

@@ -14,7 +14,7 @@ npm install html-to-draftjs --save
 import { EditorState, ContentState } from 'draft-js';
 import htmlToDraft from 'html-to-draftjs';
 
-const blocksFromHTML = htmlToDraft(this.props.content);
+const blocksFromHtml = htmlToDraft(this.props.content);
 const contentBlocks = blocksFromHtml.contentBlocks;
 const contentState = ContentState.createFromBlockArray(contentBlocks);
 const editorState = EditorState.createWithContent(contentState);