documentation update

Author: ddmitov

README.md

@@ -27,7 +27,6 @@ Perl Executing Browser (PEB) is an HTML user interface for [Perl 5](https://www.
 * APPIMAGE SUPPORT
   * [PEB AppImager](./doc/APPIMAGE.md#peb-appimager)
   * [PEB AppImage Configuration Files](./doc/APPIMAGE.md#peb-appimage-configuration-files)
-  * [PEB AppImage Builder Docker Container](./doc/APPIMAGE.md#peb-appimage-builder-docker-container)
   * [AppImageHub](./doc/APPIMAGE.md#appimagehub)
 * [Logging](#logging)
 * [History](#history)

doc/SETTINGS.md

@@ -2,7 +2,9 @@
 
 ## Global Settings API
 
-All global PEB settings are stored in a single JavaScript object named ``pebSettings``. This name is mandatory and hard-coded in C++ code. If ``pebSettings`` JavaScript object is not found, the Perl interpreter for all scripts will be the first Perl interpreter on PATH.
+All global PEB settings are stored in a single JavaScript object named ``pebSettings``.  
+This name is mandatory and it is hard-coded in C++ code.  
+If ``pebSettings`` JavaScript object is not found, the PEB Perl interpreter is the first Perl interpreter on PATH.
 
 ```javascript
 var pebSettings = {};