fix a few typos in bot command descriptions

Author: HumbleSeer42

src/main/java/net/discordjug/javabot/systems/custom_vc/commands/CustomVCAddMemberSubcommand.java

@@ -15,7 +15,7 @@ public class CustomVCAddMemberSubcommand extends CustomVCChangeMembersSubcommand
 
 	public CustomVCAddMemberSubcommand(CustomVCRepository dataStorage,
 			BotConfig botConfig) {
-		super(new SubcommandData("add-member", "adds a member to the voice channel"), dataStorage, botConfig);
+		super(new SubcommandData("add-member", "Adds a member to the voice channel"), dataStorage, botConfig);
 	}
 
 	@Override

src/main/java/net/discordjug/javabot/systems/custom_vc/commands/CustomVCRemoveMemberSubcommand.java

@@ -18,7 +18,7 @@ public class CustomVCRemoveMemberSubcommand extends CustomVCChangeMembersSubcomm
 
 	public CustomVCRemoveMemberSubcommand(CustomVCRepository dataStorage,
 			BotConfig botConfig) {
-		super(new SubcommandData("remove-member", "removes a member to the voice channel"), dataStorage, botConfig);
+		super(new SubcommandData("remove-member", "Removes a member from the voice channel"), dataStorage, botConfig);
 	}
 
 	@Override

src/main/java/net/discordjug/javabot/systems/moderation/warn/WarnsListCommand.java

@@ -41,7 +41,7 @@ public class WarnsListCommand extends SlashCommand {
 	public WarnsListCommand(ExecutorService asyncPool, ModerationService moderationService) {
 		this.asyncPool = asyncPool;
 		this.moderationService = moderationService;
-		setCommandData(Commands.slash("warns", "Shows a list of all recent warning.")
+		setCommandData(Commands.slash("warns", "Shows a list of all recent warnings.")
 				.addOption(OptionType.USER, "user", "If given, shows the recent warns of the given user instead.", false)
 				.setContexts(InteractionContextType.GUILD)
 		);