comment: add clarifying comment

Author: tsweckard

web-bundle/src/main/java/com/graphhopper/resources/BufferResource.java

@@ -316,7 +316,7 @@ private BufferFeature computeStartFeature(List<Integer> edgeList, Double startLa
     /**
      * Determines the road name to use based on the provided parameters:
      * - If `roadName` is null:
-     *   - Throws an exception if `requireRoadNameMatch` is true.
+     *   - Throws an exception if `requireRoadNameMatch` is true. (handled in doGet)
      *   - Otherwise, finds the closest edge to the point and uses its road name.
      * - If `roadName` is not null:
      *   - Uses the sanitized road name if `requireRoadNameMatch` is true.