[DOCS] Tiny fixes for formatting, removed reduntant information

docs/source/user/installation.rst

@@ -54,7 +54,7 @@ Automatic Installation Steps
     pip3 install .
 
 5. Now it's possible to run everpl application by simply calling
-   `everpl` command::
+   an ``everpl`` command::
 
     everpl
 
@@ -71,11 +71,6 @@ Manual Installation Steps
 1. Download an archive with the latest stable release of platform
    from its repository: https://github.com/s-kostyuk/adpl/releases
 
-.. NOTE::
-    You can also download the latest development (unstable) version
-    here: https://github.com/s-kostyuk/adpl by clicking a 'clone or
-    download' button.
-
 2. Extract archive content to some directory. Remember its
    placement (path).