Update application/src/main/java/org/opentripplanner/transit/model/framework/FeedScopedId.java

Co-authored-by: Leonard Ehrenfried <mail@leonard.io>

Author: t2gran

application/src/main/java/org/opentripplanner/transit/model/framework/FeedScopedId.java

@@ -93,7 +93,7 @@ public static boolean isValidString(@Nullable String value) throws IllegalArgume
   public void requireSameFeedId(FeedScopedId other) {
     if (!feedId.equals(other.feedId)) {
       throw new IllegalArgumentException(
-        "FeedIds does not match: '" + feedId + "' != '" + other.feedId + "'"
+        "FeedIds do not match: '" + feedId + "' != '" + other.feedId + "'"
       );
     }
   }

application/src/test/java/org/opentripplanner/transit/model/framework/FeedScopedIdTest.java

@@ -59,7 +59,7 @@ void requireSameFeedId() {
     var ex = assertThrows(IllegalArgumentException.class, () ->
       new FeedScopedId("F", "1").requireSameFeedId(new FeedScopedId("E", "1"))
     );
-    assertEquals("FeedIds does not match: 'F' != 'E'", ex.getMessage());
+    assertEquals("FeedIds do not match: 'F' != 'E'", ex.getMessage());
   }
 
   @Test