diff --git a/slides/branches.md b/slides/branches.md
index ab002d29218931f63734f9807307c79fd29ffcab..79e02c90cba2c224fc8a8629b3f9f290f986436f 100644
--- a/slides/branches.md
+++ b/slides/branches.md
@@ -1,55 +1,68 @@
 ## Branches
 
-Expérimentez en toute sécurité
-
+Branch-off within the same repository in order to stay safe!
 
+The master branch:
 <img src="img/branch-0-master.png" class="as-is" />
 
 
-## Une branche = Une fonctionnalité
-
+## One branch per feature
 
+Assume that you want to work on a function for a matrix-vector operation.
 ```shell
-$ git checkout -b noel
+$ git checkout -b matrix_vect_mult_myName
 ```
+The `-b` flag creates the branch.
+
 <img src="img/branch-1-checkout-b.png" class="as-is" />
 
 
-## Navigation
+## Switch between branches
 
-Lister les branches
-```shell
+In your terminal, you may see the name of the branch you are on.
+
+List available branches of the repository
+```sh
 $ git branch
 ```
 
-Se positionner dans une branche
-```shell
+<div class="fragment">
+<br>
+Checkout another branch
+```sh
 $ git checkout <branch_name>
 ```
 
-
-```shell
-$ git commit
+<div class="fragment">
+<br>
+You can switch back to master with
+```sh
+$ git checkout master
 ```
-<img src="img/branch-2-commit.png" class="as-is" />
 
+<div class="fragment">
+<br>
+You can use the 5 essential commands as before.
 
-## Fusion
-### En anglais, _merge_
+Only difference: you are on your own branch.
 
 
-```shell
-$ git checkout master
-$ git diff master..noel
-$ git merge noel
-```
-<img src="img/branch-3-merge.png" class="as-is" />
+## Merge a branch
 
+If you want your feature on the `develop` or `master` branches, merge your branch with the
+`develop` or `master` or branch:
 
-## Nettoyage
+<br>
+**submit a MR or a PR** via the Github/Gitlab interface.
 
+<!-- PICTURES HERE //-->
 
-```shell
-$ git branch -d noel
+<div class="fragment">
+<br>
+**ADVANCED**: You can see the differences between branches
+```sh
+$ git diff master..matrix_vect_mult_myName
 ```
-<img src="img/branch-4-br-d.png" class="as-is" />
+
+<br>
+You can delete the branch via the interface.
diff --git a/slides/forks.md b/slides/forks.md
index f38729ca520373e691819f7ee3eb7ae6fe15397b..0249eadec9b8b96f8ce2be6134e3b94652f8c1a8 100644
--- a/slides/forks.md
+++ b/slides/forks.md
@@ -32,30 +32,6 @@ $ git pull origin master  # Récupérer le travail
 Terminologie de l'application GitHub
 
 
-## Avoid conflicts
+## Pull/Merge Requests
 
-Good practice:
-
-<large>**PULL**</large> before you **push**!
-
-Do **not** combine `git` commands
-```sh
-$ git commit -am "myMessage" # do not do this
-```
-
-Verify to have the right remote set on your fork
-```sh
-$ git remote -v
-```
-
-Keep your fork up-to-date
-```sh
-$ git fetch upstream
-$ git merge upstream/master
-$ git push origin master # do not do git push (!)
-```
-
-
-## Pull Requests
-
-How to submit a Pull Request (PR)
+How to submit a Pull or Merge Request (PR or MR)
diff --git a/slides/github_gitlab.md b/slides/github_gitlab.md
index 5c42c0d470dcfce5302aa76c1d07af231c44b2ac..683c6757aefefc43902c85beb00301a3ce44c89b 100644
--- a/slides/github_gitlab.md
+++ b/slides/github_gitlab.md
@@ -11,9 +11,3 @@ Positive point: GitHub and GitLab are (almost) the same.
 
 
 ## GitLab
-
-
-
-## Good practices
-
-Always `clone` a repository, do not download the `.zip` file.
diff --git a/slides/good_practices.md b/slides/good_practices.md
index a30a4b2a289e96cbdce76f98e4d46625d4376fd5..2fc2ca0756f5c19e634620f94a734e14412c654f 100644
--- a/slides/good_practices.md
+++ b/slides/good_practices.md
@@ -2,9 +2,12 @@
 
 1. `clone` a repository, do not download the `.zip` file.
 2. `pull` before `push`
-3. Work on your own branch (in your own fork)
-4. Do not `push` to `master`
-5. Do not `push` to `develop`
+3. Work on your **own** branch (in your own fork)
+4. Do **not** `push` to `master` or `develop` (submit PR)
+5. Do **not** combine `git` commands
+```sh
+$ git commit -am "myMessage" # do not do this
+```
 6. Stage only 1 file at once using
 ```sh
 $ git add myFile.txt
@@ -12,6 +15,12 @@ $ git add myFile.txt
 7. Commit only a few files at once
 8. Submit a PR instead of pushing directly
 9. Always sync your fork before starting to work
+```sh
+$ git remote -v # verify to have the right remote set
+$ git fetch upstream
+$ git merge upstream/master
+$ git push origin master # do not do git push (!)
+```
 10. `Push` often - avoid conflicts
 
 <br><br>
diff --git a/slides/installation.md b/slides/installation.md
index 89e984ae4c64b7a6ab163c648af79c3500a228d3..a2a982d1eae2de3db84c62c52ff08ce43aad9083 100644
--- a/slides/installation.md
+++ b/slides/installation.md
@@ -62,9 +62,7 @@ $ git config -l
 This should list the configuration with `user.name` and `user.email`.
 
 
-## I need to get
-<br>
-##`The COBRAToolbox` - How?
+## I need `The COBRAToolbox` - How?
 
 Simply `clone` the repository (i.e., retrieve a copy)
 ```sh
@@ -79,7 +77,7 @@ Any other rudimentary method such as
 shall **be avoided**!
 
 
-## How do I get any other repository?
+## How do I `clone` any other repository?
 
 You can clone any other repository with:
 ```sh