Fix en locale

lib/Vroom/I18N/en.pm

@@ -5,7 +5,7 @@ our %Lexicon = (
   _AUTO => 1,
   "WELCOME"                              => "Welcome on VROOM !!",
   "VROOM_DESC"                           => "VROOM is a simple video conferencing solution",
-  "VROOM_IS_FREE_SOFTWARE"               => "<a href='https://github.com/dani/vroom' target='_blank'>VROOM</a> is a free software",
+  "VROOM_IS_FREE_SOFTWARE"               => "<a href='https://github.com/dani/vroom' target='_blank'>VROOM</a> is free software",
   "POWERED_BY"                           => "Powered by",
   "ERROR_NAME_INVALID"                   => "This name is not valid",
   "ERROR_ROOM_NAME_MISSING"              => "Vous devez fournir un nom de salon",
@@ -309,7 +309,7 @@ our %Lexicon = (
   "HELP_BE_NOTIFIED"                     => "You can be notified by email as soon as someone joins one of your rooms. For example, " .
                                             "create a room, add a password to make it persistent and add the link in your email signature. " .
                                             "When someone wants to talk with you, you'll get the notification",
-  "ABOUT_VROOM"                          => "VROOM is a free software using the latest web technologies and lets you " .
+  "ABOUT_VROOM"                          => "VROOM is free software using the latest web technologies and lets you " .
                                             "to easily organize video meetings. Forget all the pain with installing " .
                                             "a client on your computer in a hury, compatibility issues between MAC OS " .
                                             "or GNU/Linux, port redirection problems, calls to the helpdesk because " .