Minor changes.

src/main/java/net/pingex/dcf/commands/CommandHandler.java

@@ -62,7 +62,7 @@ public class CommandHandler
 		if(!targetCommand.isPresent())
 		{
 			LOGGER.debug("No command with that name was found.");
-			DiscordInteractionsUtil.sendMessage(event.getMessage().getChannel(), "Command not found. Use `"+ Configuration.COMMAND_PREFIX +"list` to get a list of all available commands.");
+			DiscordInteractionsUtil.sendMessage(event.getMessage().getChannel(), "Command not found. Use `"+ Configuration.COMMAND_PREFIX + "internal:list` to get a list of all available commands.");
 			return;
 		}
 
@@ -76,6 +76,7 @@ public class CommandHandler
 			catch(Throwable throwable)
 			{
 				LOGGER.error("Error while executing command " + command + ".", throwable);
+				DiscordInteractionsUtil.sendMessage(event.getMessage().getChannel(), "Error while executing the command.");
 			}
 		});
 	}