tp.md: fix typo

tp.md

@@ -158,7 +158,7 @@ git st
 ```
 
 Git doesn’t track folders, only files. For git folders are just structures to organise files.
-With the creation of `dict.txt` git is aware of a change in the repository.
+With the creation of `letter.txt` git is aware of a change in the repository.
 There are *untracked files*.
 
 To start tracking files we use the command `git add` :
@@ -394,9 +394,9 @@ There are three types of merge :
 - Merge of two different lineages
 - Merge of two different lineages with conflict
 
-Here the branch `dict` is a direct descendant of `master`.
-`dict` contain all the information contained in `master`.
-For `master` to gain all the information contained in `dict`, we just have to move the label `master` to the commit pointed by `dict`
+Here the branch `dev2` is a direct descendant of `master`.
+`dev2` contain all the information contained in `master`.
+For `master` to gain all the information contained in `dev2`, we just have to move the label `master` to the commit pointed by `dev2`
 
 ```sh
 git lo
@@ -417,7 +417,7 @@ git lo
 ```
 
 The new commit is a `Merge` commit with the identifiers of its two ancestors.
-Here, we didn’t have any conflict: in the `dev` branch, we worked on the `data/number.txt` file while in the `master` branch, we worked on the `data/letter.txt` file.
+Here, we didn't have any conflict: in the `dev` branch, we worked on the `data/number.txt` file while in the `master` branch, we worked on the `data/letter.txt` file.
 
 Let’s complicate things !
 
@@ -613,7 +613,6 @@ this server.
 
 ```sh
 git remote add perso https://gitlab.biologie.ens-lyon.fr/<user_name>/git_basis.git
-git remote add perso https://gitlab.biologie.ens-lyon.fr/<user_name>/git_basis.git 
 git remote -v
 ```
 
@@ -748,6 +747,7 @@ git status
 ````sh
 ## Usage
 To use the `file_handle.py` script, enter the following command:
+
 ```sh
 file_handle.py -f <INPUT_FILE>
 ```
@@ -772,7 +772,7 @@ git push
 
 When **W** tries to push his modifications to the remote repository he has an error because **C** made changes to it.
 **W** has to get these modifications.
-Git advise you to use the command `git pull`. We are not going to use this command and instead to:
+Git advises you to use the command `git pull`. We are not going to use this command and instead to:
 
 ```sh
 git fetch
@@ -794,7 +794,7 @@ To know how to use the `file_handle.py` script, enter the following command:
 ```sh
 file_handle.py --help
 ```
-\====
+=======
 To use the `file_handle.py` script, enter the following command: ```sh
 file_handle.py -f <INPUT_FILE>
 ```