diff --git a/Setup-PDF.js-in-a-website.md b/Setup-PDF.js-in-a-website.md
index 37d780c..79680a9 100644
--- a/Setup-PDF.js-in-a-website.md
+++ b/Setup-PDF.js-in-a-website.md
@@ -53,4 +53,4 @@ When the source code of PDF.js changes, the [online demo](http://mozilla.github.
 Similar to the official releases, we ask you to re-skin it or build upon it before deploying it.
 
 ## Build PDF.js from source
-After cloning PDF.js, you can build PDF.js from source by running the `gulp generic` coomand. This will create the built PDF.js in the `build` folder.
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+After cloning PDF.js, you can build PDF.js from source by running the `gulp generic` command. This will create the built PDF.js in the `build` folder.
\ No newline at end of file