diff --git a/lesson4/stations.cpp b/lesson4/stations.cpp
index 15a0878..73388cb 100644
--- a/lesson4/stations.cpp
+++ b/lesson4/stations.cpp
@@ -26,6 +26,7 @@ class Graph {
       // adjacent node id).
       graph_[currentNodeId].push_back(std::make_pair(weight, adjacentNodeId));
       graph_[adjacentNodeId].push_back(std::make_pair(weight, currentNodeId));
+       // ALEXNOTE: comment from other exiercise holds true here as well
     }
   }
 
@@ -192,4 +193,4 @@ int main() {
     check(graphObj, stations, startStationName, targetStationName);
   }
   return 0;
-}
\ No newline at end of file
+}