diff --git a/application/config/config.sample.php b/application/config/config.sample.php
index ff3616efb..6fed59d75 100644
--- a/application/config/config.sample.php
+++ b/application/config/config.sample.php
@@ -693,8 +693,43 @@ $config['disable_manual_eqsl'] = false;
 $config['disable_manual_hrdlog'] = false;
 $config['disable_manual_qrz'] = false;
 
-# Disables QSL-Image-Feature if true. if non-existant or false the QSL-Feature is enabled
+/*
+|--------------------------------------------------------------------------
+| Disables QSL-Image-Feature
+|--------------------------------------------------------------------------
+|
+| This disabled the whole QSL image feature if you don't need it and want to hide it. 
+| Set to true will hide all QSL image related stuff in Wavelog
+|
+*/
+
 $config['disable_qsl'] = false;
 
-# Disables OQRS-Feature if true. if non-existant or false the OQRS-Feature is enabled
+/*
+|--------------------------------------------------------------------------
+| Disables OQRS-Feature
+|--------------------------------------------------------------------------
+|
+| This disabled the whole OQRS feature if you don't need it and want to hide it. 
+| Set to true will hide all OQRS related stuff in Wavelog
+|
+*/
+
 $config['disable_oqrs'] = false;
+
+/*
+|--------------------------------------------------------------------------
+| Special Callsign Feature
+|--------------------------------------------------------------------------
+|
+| This config switch is meant to use for Special Callsign operations in a dedicated Wavelog Installation
+| If this switch is set to true it will enable a dialog which pops up for each operator after login
+| to ask for his personal callsign. This causes the QSOs to get saved with the correct operator data.
+| Example:      Special Callsign:   DL250CDF 
+|               Operator:           DF2TG
+| 
+| More Information about this feature and how to use it, you can find here: TODO add link to Wiki
+|
+*/
+
+$config['special_callsign'] = false;
\ No newline at end of file
diff --git a/install/config/config.php b/install/config/config.php
index e7fd8b5b7..137d9ad3b 100644
--- a/install/config/config.php
+++ b/install/config/config.php
@@ -693,5 +693,43 @@ $config['disable_manual_eqsl'] = false;
 $config['disable_manual_hrdlog'] = false;
 $config['disable_manual_qrz'] = false;
 
-# Disables OQRS-Feature if true. if non-existant or false the OQRS-Feature is enabled
+/*
+|--------------------------------------------------------------------------
+| Disables QSL-Image-Feature
+|--------------------------------------------------------------------------
+|
+| This disabled the whole QSL image feature if you don't need it and want to hide it. 
+| Set to true will hide all QSL image related stuff in Wavelog
+|
+*/
+
+$config['disable_qsl'] = false;
+
+/*
+|--------------------------------------------------------------------------
+| Disables OQRS-Feature
+|--------------------------------------------------------------------------
+|
+| This disabled the whole OQRS feature if you don't need it and want to hide it. 
+| Set to true will hide all OQRS related stuff in Wavelog
+|
+*/
+
 $config['disable_oqrs'] = false;
+
+/*
+|--------------------------------------------------------------------------
+| Special Callsign Feature
+|--------------------------------------------------------------------------
+|
+| This config switch is meant to use for Special Callsign operations in a dedicated Wavelog Installation
+| If this switch is set to true it will enable a dialog which pops up for each operator after login
+| to ask for his personal callsign. This causes the QSOs to get saved with the correct operator data.
+| Example:      Special Callsign:   DL250CDF 
+|               Operator:           DF2TG
+| 
+| More Information about this feature and how to use it, you can find here: TODO add link to Wiki
+|
+*/
+
+$config['special_callsign'] = false;