README.md in liberic-0.1.3 vs README.md in liberic-1.1.0

@@ -25,11 +25,11 @@
 Or install it yourself (not possible yet) as:
 
     $ gem install liberic
 
 The ERiC library files are not distributed with this gem. They must be
-obtained from the [ELSTER Downloads Page](https://www.elster.de/ssl/secure/eric.php). (Requires your personal credentials which have to be requested from ELSTER).
+obtained from the [ELSTER Downloads Page](https://www.elster.de/elsterweb/entwickler/infoseite/eric). (Requires your personal credentials which have to be requested from ELSTER).
 
 Follow the installation instructions from the ERiC documentation.
 
 After extracting the downloaded library files to a location of your choice, there should be a folder
 containing at least three subfolders:
@@ -38,52 +38,56 @@
 bin/
 include/
 lib/
 ```
 
-Currently, the environment variable `ERIC_HOME` needs to be set to this
+Currently, the environment variable `ERIC_HOME_39` needs to be set to this
 folder or the gem will not find the library files.
 
 For example:
 
 ```sh
-$ export ERIC_HOME=/opt/ERiC-23.3.8.0/Linux-x86_64
+$ export ERIC_HOME_39=/opt/ERiC-39.3.2.0/Linux-x86_64
 ```
 
 ### Additional steps on OS X
+
+The following OS X specific information dates back to the first version of this
+library (from 2016). Might be outdated or incorrect by now.
+
 On *Mac OS X* you need to process the libraries to fix the interal paths
 (credits to @deviantbits):
 
 ```
-libs=`ls $ERIC_HOME/lib/*.dylib`
-plugins=`ls $ERIC_HOME/lib/plugins2/*.dylib`
+libs=`ls $ERIC_HOME_27/lib/*.dylib`
+plugins=`ls $ERIC_HOME_27/lib/plugins2/*.dylib`
 
 for target in $libs
 do
   for lib in $libs
   do
-    install_name_tool -change "@rpath/"`basename $lib` "$ERIC_HOME/lib/"`basename $lib` $target
+    install_name_tool -change "@rpath/"`basename $lib` "$ERIC_HOME_27/lib/"`basename $lib` $target
   done
 
   for plugin in $plugins
   do
-    install_name_tool -change "@rpath/plugins2/"`basename $plugin` "$ERIC_HOME/lib/plugins2/"`basename $plugin` $target
+    install_name_tool -change "@rpath/plugins2/"`basename $plugin` "$ERIC_HOME_27/lib/plugins2/"`basename $plugin` $target
   done
 done
 
 for target in $plugins
 do
   for lib in $libs
   do
-    install_name_tool -change "@rpath/"`basename $lib` "$ERIC_HOME/lib/"`basename $lib` $target
+    install_name_tool -change "@rpath/"`basename $lib` "$ERIC_HOME_27/lib/"`basename $lib` $target
   done
 done
 ```
 
 Check your settings by running:
 
 ```sh
-$ ls $ERIC_HOME/lib/libericapi.*
+$ ls $ERIC_HOME_27/lib/libericapi.*
 ```
 This should list you one file with an operating system dependend suffix.
 
 ## Usage