Write out "sub" to "subscription" in javadoc

Author: hlxid

src/main/java/org/codeoverflow/chatoverflow/api/io/dto/stat/stream/Subscription.java

@@ -51,16 +51,16 @@ public int getResub() {
     /**
      * Returns the tier of the subscription {@link SubscriptionTier}.
      *
-     * @return the sub tier
+     * @return the subscription tier
      */
     public SubscriptionTier getTier() {
         return tier;
     }
 
     /**
-     * Returns if the sub was gifted by someone else or not
+     * Returns if the subscription was gifted by someone else or not
      *
-     * @return it the sub was gifted
+     * @return it the subscription was gifted
      */
     public boolean isGifted() {
         return gifted;
@@ -69,7 +69,7 @@ public boolean isGifted() {
     /**
      * Returns the donor of the subscription if it was gifted.
      *
-     * @return the donor of the sub
+     * @return the donor of the subscription
      */
     public T getDonor() {
         return donor;

src/main/java/org/codeoverflow/chatoverflow/api/io/dto/stat/stream/SubscriptionTier.java

@@ -32,8 +32,8 @@ public String toString() {
     /**
      * Parse the tier from a string
      *
-     * @param tier the tier of the sub. 0 is prime, 1 is tier 1 and so on.
-     * @return the sub-tier represented by the passed number or {@link #UNKNOWN}.
+     * @param tier the tier of the subscription. 0 is prime, 1 is tier 1 and so on.
+     * @return the subscription-tier represented by the passed number or {@link #UNKNOWN}.
      */
     public static SubscriptionTier parse(int tier) {
         return Arrays.stream(values())