diff --git a/course/adding_a_page.md b/course/adding_a_page.md
index c232fe39e4a816714c4f5fcc0e7cd057cd35854e..dbdabf5e2af7df5a1463f11479b935f006cf24e9 100644
--- a/course/adding_a_page.md
+++ b/course/adding_a_page.md
@@ -39,4 +39,4 @@ After adding these changes, your new page will be available:
 
 ![resulting-page](https://i.imgur.com/0ELicN0.png)
 
-Let's keep building on top of this page, format it and add some useful content.
\ No newline at end of file
+Let's keep building on top of this page, format it and add some useful content.
diff --git a/course/adding_content.md b/course/adding_content.md
index d1fcfe83e2965d4c8b6b04bce1236121528ce71c..e181bdc0a0febbb99687f36f3e66aeddf4ff089e 100644
--- a/course/adding_content.md
+++ b/course/adding_content.md
@@ -50,4 +50,4 @@ Let's add a `.pdf` file to our course: we'll have to store it in the `attached_f
 
 Here's our page after adding all the content we previously mentioned:
 
-![git-tutorial-page-finished](https://i.imgur.com/QhTkaL4.png)
\ No newline at end of file
+![git-tutorial-page-finished](https://i.imgur.com/QhTkaL4.png)
diff --git a/course/adding_more_than_one_page.md b/course/adding_more_than_one_page.md
index 335ef02eb99eac77206a39e15c95b4163a0ce01b..1cdd5ad696e13cbab03a46883bc64f6ef37e6a9b 100644
--- a/course/adding_more_than_one_page.md
+++ b/course/adding_more_than_one_page.md
@@ -1,6 +1,6 @@
 ---
 title: Adding more than one page
-nav_order: 6
+nav_order: 7
 parent: How to use
 ---
 
@@ -30,4 +30,4 @@ If no `nav_order` is specified, the pages will be sorted alphabetically.
 ## Parent and children pages
 
 If some of our pages depend on another, we can define them as *children* and *parent* images respectively.
-The [just-the-docs tutorial](https://pmarsceill.github.io/just-the-docs/docs/navigation-structure/#pages-with-children) explains this perfectly!
\ No newline at end of file
+The [just-the-docs tutorial](https://pmarsceill.github.io/just-the-docs/docs/navigation-structure/#pages-with-children) explains this perfectly!
diff --git a/course/adding_slides.md b/course/adding_slides.md
index 3c6497ea7c220bf20bae4f62f9969326e7168e23..d367fd987255156d5f0f6db0841b2f141dd5e4ed 100644
--- a/course/adding_slides.md
+++ b/course/adding_slides.md
@@ -1,6 +1,6 @@
 ---
 title: Adding slides
-nav_order: 5
+nav_order: 6
 parent: How to use
 ---
 
@@ -72,4 +72,4 @@ theme:
 ---
 ```
 
-You can check the resulting slides [here](https://alejandro-rusi.gitlab.io/courseware-git-example/attached_files/slides_pdf/git_slides.pdf)!
\ No newline at end of file
+You can check the resulting slides [here](https://alejandro-rusi.gitlab.io/courseware-git-example/attached_files/slides_pdf/git_slides.pdf)!
diff --git a/course/formatting_text.md b/course/formatting_text.md
index 81c81496ccbcc671e8ca6de28c7105e8eb2fbd2b..db3acb94e1a71ef56a883e8552ff41cd9c07fa10 100644
--- a/course/formatting_text.md
+++ b/course/formatting_text.md
@@ -136,4 +136,4 @@ Some useful commands are:
 ![git-page-formatted](https://i.imgur.com/UcfSGzW.png)
 
 Now our course is starting to take shape.
-Let's continue by adding content.
\ No newline at end of file
+Let's continue by adding content.
diff --git a/course/how_to_use.md b/course/how_to_use.md
index 0e42051a4ff60335da5013e641c8a6d2ed0f6073..992a63f0c61f72155b4f82898d569776edb83e5b 100644
--- a/course/how_to_use.md
+++ b/course/how_to_use.md
@@ -2,4 +2,4 @@
 title: How to use
 nav_order: 2
 has_children: true
----
\ No newline at end of file
+---
diff --git a/course/links_to_examples.md b/course/links_to_examples.md
index 45115e3e5a2ad22d7a54774f7d651e35fa54bca7..e0cbae10435f12bfe6430469b3a7a700c775c3d1 100644
--- a/course/links_to_examples.md
+++ b/course/links_to_examples.md
@@ -14,4 +14,4 @@ All of these are *Open Source*, so you can check out their source code and the r
 
 - Git Example used in the tutorial
     - [Gitlab repository](https://gitlab.com/alejandro-rusi/courseware-git-example)
-    - [Course](https://alejandro-rusi.gitlab.io/courseware-git-example/)
\ No newline at end of file
+    - [Course](https://alejandro-rusi.gitlab.io/courseware-git-example/)