Debugging HTML Builds - fix copy&paste error

the point of the code-demo is that if we wrap the module it does not fail

docs/docs/debugging-html-builds.md

@@ -30,7 +30,7 @@ const module = require("module"); // Error
 
 // Wrap the require in check for window
 if (typeof window !== `undefined`) {
- const module = require("module"); // Error
+ const module = require("module");
 }
 ```