Update docs/user-manual/nethlink/configuration.md

Co-authored-by: Giacomo Sanchietti <giacomo.sanchietti@nethesis.it>

Author: andrea-marchionni

docs/user-manual/nethlink/configuration.md

@@ -49,7 +49,7 @@ NethLink allows you to customize keyboard shortcuts for common operations:
 Currently available shortcuts are:
 
 - Click to call
-- Call initiation(Command bar)
+- Call initiation (Command bar)
 
 ## Application Settings {#application-settings}