updated README.md file

README.md

@@ -5,7 +5,7 @@ packme
 
 `packme` is a python3 application for generating and running `packer` templates.
 
-It works by generating *manifest.json* files out of *manifest.yml* files which contain the packer settings for the image to build. The *manifest.yml* files will be searched in a directory which contains as subdirectories the images to be built using `packer`. That directory has to be defined from the CLI (`-t/--templates-dir option`) and has the following structure:
+It works by generating *manifest.json* files out of *manifest.yml* files which contain the packer settings for the image to build. The *manifest.yml* files will be searched in a directory which contains as subdirectories the images to be built using `packer`. That directory has to be defined from the CLI (`-t/--templates-dir` option) and has the following structure:
 
 ```shell
   my_templates_directory/
@@ -53,17 +53,16 @@ An image can extend another one by starting its building from another image. Thi
 
 ### Documentation
 
-[packme documentation](<https://packme.readthedocs.io/en/latest/)
+[packme documentation](https://packme.readthedocs.io/en/latest/)
 
 ### Prerequesites
 
 - packer
 - QEMU
 
-Installation
-~~~~~~~~~~~~
+### Installation
 
-see [here](<http://code.ill.fr/si/packer) for complementary info
+see [here](http://code.ill.fr/si/packer) for complementary info
 
 .. code:: shell