diff --git a/subjects/make-your-game/README.md b/subjects/make-your-game/README.md
index c7bf83c35e..dd1cf31d9e 100644
--- a/subjects/make-your-game/README.md
+++ b/subjects/make-your-game/README.md
@@ -75,7 +75,8 @@ This project will help you learn about:
 - [Event loop](https://developer.mozilla.org/en-US/docs/Web/JavaScript/EventLoop)
 - FPS
 - DOM
-- [Jank/stutter animation](https://murtada.nl/blog/going-jank-free-achieving-60-fps-smooth-websites)
+- [Jank/stutter animation](https://addyosmani.com/blog/making-a-site-jank-free/)
+  - [Example](https://googlechrome.github.io/devtools-samples/jank/)
 - [Transform](https://developer.mozilla.org/en-US/docs/Web/CSS/transform)/ [opacity](https://developer.mozilla.org/en-US/docs/Web/CSS/opacity)
 - Tasks
   - JavaScript
diff --git a/subjects/road_intersection/README.md b/subjects/road_intersection/README.md
index db782db3b8..8972c3aa82 100644
--- a/subjects/road_intersection/README.md
+++ b/subjects/road_intersection/README.md
@@ -19,6 +19,7 @@ You must create an environment which contains all the objects described in this
 You will create two roads which cross each other to create an intersection. Each road will have **one lane** in each direction.
 
 Traffic entering the intersection will be able to select a route by:
+
 - turning left
 - turning right
 - continuing on straight
@@ -107,7 +108,6 @@ You can implement the following optional features:
 
   - [limezu](https://limezu.itch.io/)
   - [finalbossblue](http://finalbossblues.com/timefantasy/free-graphics/).
-  - [mobilegamegraphics](https://mobilegamegraphics.com/product-category/all_products/freestuff/).
   - [spriters-resource](https://www.spriters-resource.com/).
 
 ### Notions
diff --git a/subjects/shoppinglistsort/README.md b/subjects/shoppinglistsort/README.md
index 9c98f20226..adde2b7b6e 100644
--- a/subjects/shoppinglistsort/README.md
+++ b/subjects/shoppinglistsort/README.md
@@ -28,7 +28,7 @@ import (
 
 func main() {
 	slice := []string{"Pineapple", "Honey", "Mushroom", "Tea", "Pepper", "Milk"}
-	fmt.Println(ShoppingListSort(slice))
+	fmt.Println(piscine.ShoppingListSort(slice))
 }
 ```
 
diff --git a/subjects/social-network/README.md b/subjects/social-network/README.md
index 8089bbc4dc..5519bcb209 100644
--- a/subjects/social-network/README.md
+++ b/subjects/social-network/README.md
@@ -203,7 +203,7 @@ After creating the event every user can choose one of the options for the event.
 
 Users should be able to send private messages to other users that they are following or being followed, in other words, at least one of the users must be following the other.
 
-When a user sends a message, the recipient will instantly receive it through Websockets if they are following the sender or if the sender has a public profile.
+When a user sends a message, the recipient will instantly receive it through Websockets if they are following the sender or if the recipient has a public profile.
 
 It should be able for the users to send emojis to each other.