diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/api/guide/SlimefunGuideUnlockProvider.java b/src/main/java/io/github/thebusybiscuit/slimefun4/api/guide/SlimefunGuideUnlockProvider.java
index 18688c4dbf..b749e52a05 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/api/guide/SlimefunGuideUnlockProvider.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/api/guide/SlimefunGuideUnlockProvider.java
@@ -17,6 +17,8 @@
  * <p>
  * You could trail the method to unlock your research,
  * and locked item.
+ *
+ * @author StarWishsama
  */
 public interface SlimefunGuideUnlockProvider {
 
diff --git a/src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/SlimefunGuideUnlockMode.java b/src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/SlimefunGuideUnlockMode.java
index 52fab1263e..7819b6d279 100644
--- a/src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/SlimefunGuideUnlockMode.java
+++ b/src/main/java/io/github/thebusybiscuit/slimefun4/core/guide/SlimefunGuideUnlockMode.java
@@ -12,12 +12,16 @@
  * Each constant corresponds to a research unlock mode and a unlock provider
  *
  * @author StarWishsama
+ *
  * @see SlimefunGuide
  * @see SlimefunGuideImplementation
  * @see SlimefunGuideUnlockProvider
  */
 public enum SlimefunGuideUnlockMode {
 
+    /**
+     * Unlock research by withdrawing player's experience level.
+     */
     EXPERIENCE(new ExperienceUnlockProvider()),
 
     /**
@@ -41,7 +45,7 @@ public enum SlimefunGuideUnlockMode {
 
     /**
      * Convert string to certain {@link SlimefunGuideUnlockMode}.
-     * If string is invalid will fall back to default one (player level)
+     * If string is invalid it will fall back to default one (player level)
      *
      * @param modeName text to validate
      * @return {@link SlimefunGuideUnlockMode}