diff --git a/5-browser-extension/1-about-browsers/README.md b/5-browser-extension/1-about-browsers/README.md
index 5b3473f6..4fe4f4d3 100644
--- a/5-browser-extension/1-about-browsers/README.md
+++ b/5-browser-extension/1-about-browsers/README.md
@@ -50,7 +50,7 @@ Before you start building, take a look at the process of building and deploying
In essence, the process will be:
-- build your extension using `npm build`
+- build your extension using `npm run build`
- navigate in the browser to the extensions pane using the "Settings and more" button (the `...` icon) on the top right
- if it's a new installation, choose `load unpacked` to upload a fresh extension from its build folder (in our case it is `/dist`)
- or, click `reload` if you are reloading the already-installed extension
diff --git a/5-browser-extension/3-background-tasks-and-performance/README.md b/5-browser-extension/3-background-tasks-and-performance/README.md
index edb50312..c56f0faf 100644
--- a/5-browser-extension/3-background-tasks-and-performance/README.md
+++ b/5-browser-extension/3-background-tasks-and-performance/README.md
@@ -133,7 +133,7 @@ function drawIcon(value) {
```
In this code, you are adding a listener for any messages coming to the backend task manager. If it's called 'updateIcon', then the next code is run, to draw an icon of the proper color using the Canvas API.
-✅ You'll learn more about the Canvas API in the [Space Game lessons](../../space-game/drawing-to-canvas/README.md).
+✅ You'll learn more about the Canvas API in the [Space Game lessons](../6-space-game/2-drawing-to-canvas/README.md/drawing-to-canvas/README.md).
Now, rebuild your extension (`npm run build`), refresh and launch your extension, and watch the color change. Is it a good time to run an errand or wash the dishes? Now you know!
diff --git a/5-browser-extension/solution/README copy.md b/5-browser-extension/solution/README copy.md
deleted file mode 100644
index 7dd0df8e..00000000
--- a/5-browser-extension/solution/README copy.md
+++ /dev/null
@@ -1 +0,0 @@
-This is a placeholder, left blank purposefully
\ No newline at end of file
diff --git a/5-browser-extension/start/dist/index.html b/5-browser-extension/start/dist/index.html
index f513e575..7ca8a35b 100644
--- a/5-browser-extension/start/dist/index.html
+++ b/5-browser-extension/start/dist/index.html
@@ -5,14 +5,14 @@
- Il mio Rilevatore di Carbonio
+ My Carbon Trigger
-
Benvenuto al Tuo Rilevatore di Carbonio Personale!
