Apply suggestions from code review

Co-authored-by: Johan Torin <jtorin@users.noreply.github.com>

Author: t2gran

src/main/java/org/opentripplanner/framework/lang/MemEfficientArrayBuilder.java

@@ -5,13 +5,13 @@
 import javax.annotation.Nonnull;
 
 /**
- * This array builder is used to minimize creating new objects(arrays). It takes an array as base,
+ * This array builder is used to minimize the creation of new objects (arrays). It takes an array as base,
  * the original array. A new array is created only if there are differences.
  * <p>
  * A common case is that one original is updated several times. In this case, you can use the
- * {@link #build(Object[])}, too also make sure the existing update is reused (deduplicated).
+ * {@link #build(Object[])} method to also make sure that the existing update is reused (deduplicated).
  * <p>
- * Arrays are mutable, so be careful this class helps you reuse the original if it has the same
+ * Arrays are mutable, so be careful as this class helps you reuse the original if it has the same
  * values. It protects the original while in scope, but you should only use it if you do not
  * modify the original or the result on the outside. This builder does not help protect the arrays.
  */

src/main/java/org/opentripplanner/transit/model/network/TripPattern.java

@@ -161,7 +161,7 @@ public StopPattern getStopPattern() {
 
   /**
    * Return the "original"/planned stop pattern as a builder. This is used when a realtime-update
-   * contains a full set of stops/pickup/droppoff for a pattern. This will wipe out any changes
+   * contains a full set of stops/pickup/dropoff for a pattern. This will wipe out any changes
    * to the stop-pattern from previous updates.
    * <p>
    * Be aware, if the same update is applied twice, then the first instance will be reused to avoid