find and replace fixes, will introduce errors

docs/customizing/index.md

@@ -2,7 +2,7 @@
 
 It is possible to customize your **Alliance Auth** instance.
 
-```eval_rst
+```{eval-rst}
 .. warning::
     Keep in mind that you may need to update some of your customizations manually after new Auth releases (e.g. when replacing templates).
 ```
@@ -82,7 +82,7 @@ First you need to create the folder for the template on your server. For AA to p
 
 If you have a default installation you can create the folder like this:
 
-```sh
+```shell
 mkdir -p /home/allianceserver/myauth/myauth/templates/allianceauth
 ```
 
@@ -90,7 +90,7 @@ mkdir -p /home/allianceserver/myauth/myauth/templates/allianceauth
 
 Next you need to download a copy of the original template file we want to change. For that let's move into the above folder and then download the file into the current folder with:
 
-```sh
+```shell
 cd /home/allianceserver/myauth/myauth/templates/allianceauth
 wget <https://gitlab.com/allianceauth/allianceauth/-/raw/master/allianceauth/templates/allianceauth/side-menu.html>
 ```
@@ -99,11 +99,11 @@ wget <https://gitlab.com/allianceauth/allianceauth/-/raw/master/allianceauth/tem
 
 Now you can modify the template to add your custom link. To create the google link we can add this snippet *between* the `{% menu_items %}` and the `</ul>` tag:
 
-```sh
+```shell
 nano /home/allianceserver/myauth/myauth/templates/allianceauth/side-menu.html
 ```
 
-```jinja
+```django
     <li>
         <a href="https://www.google.com/" target="_blank">
             <i class="fab fa-google fa-fw"></i>Google
@@ -111,7 +111,7 @@ nano /home/allianceserver/myauth/myauth/templates/allianceauth/side-menu.html
     </li>
 ```
 
-```eval_rst
+```{eval-rst}
 .. hint::
     You can find other icons with a matching style on the `Font Awesome site <https://fontawesome.com/v5/search?m=free>`_ . AA currently uses Font Awesome version 5. You also want to keep the ``fa-fw`` tag to ensure all icons have the same width.
 ```