diff --git a/packages/ext-react-classic/UNDERSTANDING_AN_APP.md b/packages/ext-react-classic/UNDERSTANDING_AN_APP.md
index bd8733e6..708d26db 100644
--- a/packages/ext-react-classic/UNDERSTANDING_AN_APP.md
+++ b/packages/ext-react-classic/UNDERSTANDING_AN_APP.md
@@ -13,7 +13,7 @@ in the root folder of the React app:
 
 ```
 npm install @sencha/ext-react-classic
-``
+```
 
 This will create a 'public/ext-runtime-classic' folder, and also add several entries in the 'public/index.html'
 file.
@@ -159,4 +159,4 @@ The ExtColumn supports render functions as JSX
 ```
   renderName = (value, context) => (
     <div style={{height:'15px'}}>
-      <span>span - 
\ No newline at end of file
+      <span>span -