Typos a/an (#13846)

bundles/org.openhab.binding.deutschebahn/src/main/java/org/openhab/binding/deutschebahn/internal/TimetableStopFilter.java

@@ -17,7 +17,7 @@ import org.openhab.binding.deutschebahn.internal.filter.TimetableStopPredicate;
 import org.openhab.binding.deutschebahn.internal.timetable.dto.TimetableStop;
 
 /**
- * Filter that selects {@link TimetableStop}, if they have an departure or an arrival element (or both).
+ * Filter that selects {@link TimetableStop}, if they have a departure or an arrival element (or both).
  * 
  * @author Sönke Küper - initial contribution.
  */
@@ -35,7 +35,7 @@ public enum TimetableStopFilter implements TimetableStopPredicate {
     },
 
     /**
-     * Selects only stops with an departure.
+     * Selects only stops with a departure.
      */
     DEPARTURES {
         @Override

bundles/org.openhab.binding.deutschebahn/src/main/java/org/openhab/binding/deutschebahn/internal/filter/BracketCloseToken.java

@@ -15,7 +15,7 @@ package org.openhab.binding.deutschebahn.internal.filter;
 import org.eclipse.jdt.annotation.NonNullByDefault;
 
 /**
- * A token representing an closing bracket.
+ * A token representing a closing bracket.
  * 
  * @author Sönke Küper - Initial contribution.
  */

bundles/org.openhab.binding.deutschebahn/src/main/java/org/openhab/binding/deutschebahn/internal/filter/FilterParser.java

@@ -180,7 +180,7 @@ public final class FilterParser {
     }
 
     /**
-     * State while parsing an disjunction.
+     * State while parsing a disjunction.
      */
     private static final class OrState extends State {