diff --git a/decorator-sample/README.md b/decorator-sample/README.md
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--- a/decorator-sample/README.md
+++ b/decorator-sample/README.md
@@ -8,9 +8,9 @@ The sample creates a decoration for each number that appears in the active edito
 demonstrates some of the decorator features such as borders, background colors, cursors
 and hovers. 
 
-
+![sample](preview.png)
 
 # How to run locally
 
 * `npm run compile` to start the compiler in watch mode
-* open this folder in VS Code and press `F5`
\ No newline at end of file
+* open this folder in VS Code and press `F5`
diff --git a/decorator-sample/preview.png b/decorator-sample/preview.png
new file mode 100644
index 00000000..c7fd8d9c
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