Fix typos

worldedit-core/src/main/java/com/sk89q/jnbt/NBTUtils.java

@@ -72,7 +72,7 @@ public final class NBTUtils {
         } else if (clazz.equals(LongArrayTag.class)) {
             return "TAG_Long_Array";
         } else {
-            throw new IllegalArgumentException("Invalid tag classs ("
+            throw new IllegalArgumentException("Invalid tag class ("
                     + clazz.getName() + ").");
         }
     }
@@ -112,7 +112,7 @@ public final class NBTUtils {
         } else if (clazz.equals(LongArrayTag.class)) {
             return NBTConstants.TYPE_LONG_ARRAY;
         } else {
-            throw new IllegalArgumentException("Invalid tag classs ("
+            throw new IllegalArgumentException("Invalid tag class ("
                     + clazz.getName() + ").");
         }
     }

worldedit-core/src/main/java/com/sk89q/util/StringUtil.java

@@ -36,7 +36,7 @@ public final class StringUtil {
     /**
      * Trim a string if it is longer than a certain length.
      *
-     * @param str the stirng
+     * @param str the string
      * @param len the length to trim to
      * @return a new string
      */

worldedit-core/src/main/java/com/sk89q/worldedit/event/platform/PlatformInitializeEvent.java

@@ -23,7 +23,7 @@ import com.sk89q.worldedit.event.Event;
 
 /**
  * Fired when configuration has been loaded and the platform is in the
- * intialization stage.
+ * initialization stage.
  *
  * <p>This event is fired once.</p>
  */

worldedit-core/src/main/java/com/sk89q/worldedit/internal/expression/invoke/CompilingVisitor.java

@@ -84,7 +84,7 @@ class CompilingVisitor extends ExpressionBaseVisitor<MethodHandle> {
      * General idea is that we don't need to pass around variables, they're all in ExecutionData.
      * We do need to pass that around, so most MethodHandles will be of the type
      * (ExecutionData)Double, with a few as (ExecutionData,Double)Double where it needs an existing
-     * value passed in. EVERY handle returned from an overriden method must be of the first type.
+     * value passed in. EVERY handle returned from an overridden method must be of the first type.
      */
     private final Functions functions;