Minor comment and formatting cleanup

README.md

@@ -234,9 +234,8 @@ normal buttons cannot be used since they'd fall off. Using wall coral fans work
 `SHULKER_BOX` works too.
 
 Using `AIR` for a closed underwater gate looks weird, so `WATER` might be better. If using `AIR` for the closed gate,
-you need to make sure it actually contains air when creating it.
-For partially submerged portals, like ones used for boat teleportation, you need to keep water away
-from the portal entrance/opening until it's been created.
+you need to make sure it actually contains air when creating it. For partially submerged portals, like ones used for
+boat teleportation, you need to keep water away from the portal entrance/opening until it's been created.
 
 # Configuration
 
@@ -279,8 +278,8 @@ It is possible to customize all the messages Stargate displays, including the [S
 strings in plugins/Stargate/lang/chosenLanguage.txt.
 
 If a string is removed, or left blank, it will default to the default english string. There are some special cases
-regarding messages. When you see %variableName%, you need to keep this part in your string, as it will be replaced
-with relevant values.
+regarding messages. When you see %variableName%, you need to keep this part in your string, as it will be replaced with
+relevant values.
 
 The full list of strings is as follows:
 
@@ -368,8 +367,8 @@ bungeeSign=Teleport to
 
 #### \[Version 0.8.0.0] PseudoKnight fork
 
-- Update for 1.13/1.14 compatibility. This update changes gate layouts to use new material names instead of numeric ids. You
-  need to update your gate layout configs.
+- Update for 1.13/1.14 compatibility. This update changes gate layouts to use new material names instead of numeric ids.
+  You need to update your gate layout configs.
 - Adds "verifyPortals" config option, which sets whether an old stargate's blocks are verified when loaded.
 - Adds UUID support. (falls back to player names)
 

src/main/java/net/knarcraft/stargate/LanguageLoader.java

@@ -16,7 +16,6 @@ import java.util.Set;
  */
 public class LanguageLoader {
 
-    // Variables
     private final String languageFolder;
     private final Map<String, String> loadedBackupStrings;
     private String chosenLanguage;

src/main/java/net/knarcraft/stargate/Stargate.java

@@ -189,7 +189,9 @@ public class Stargate extends JavaPlugin {
      * @param error   <p>Whether the message sent is an error</p>
      */
     private static void sendMessage(CommandSender player, String message, boolean error) {
-        if (message.isEmpty()) return;
+        if (message.isEmpty()) {
+            return;
+        }
         //Replace color codes with green? What's the deal with the dollar sign?
         message = message.replaceAll("(&([a-f0-9]))", "\u00A7$2");
         if (error) {

src/main/java/net/knarcraft/stargate/listener/PortalEventListener.java

@@ -6,6 +6,9 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.world.PortalCreateEvent;
 
+/**
+ * Listens for and cancels relevant portal events
+ */
 public class PortalEventListener implements Listener {
 
     @EventHandler
@@ -13,6 +16,7 @@ public class PortalEventListener implements Listener {
         if (event.isCancelled()) {
             return;
         }
+        //Cancel nether portal creation when the portal is a StarGate portal
         for (BlockState block : event.getBlocks()) {
             if (PortalHandler.getByBlock(block.getBlock()) != null) {
                 event.setCancelled(true);

src/main/java/net/knarcraft/stargate/portal/PortalOption.java

@@ -1,5 +1,8 @@
 package net.knarcraft.stargate.portal;
 
+/**
+ * Each enum value represents one option a portal can have/use
+ */
 public enum PortalOption {
 
     /**