diff --git a/topologisk_redigering/src/res/TopologyValidation.js b/topologisk_redigering/src/res/TopologyValidation.js
index 1d3d2f160e75625c63de8d7133279c9aad2cc162..fafc7bc35904a50ff555e1b91b52d85e5038f425 100644
--- a/topologisk_redigering/src/res/TopologyValidation.js
+++ b/topologisk_redigering/src/res/TopologyValidation.js
@@ -173,7 +173,7 @@ class Line {
     } else if (line2.startX <= line1.startX && line2.endX >= line1.startX) {
       return line1.startY == line1.yValueAt(line1.startX)
     }
-    console.log("overlapX: " + overlapX)
+
   }
 
   function haveMatchingLines(lines1, lines2) {
@@ -238,4 +238,6 @@ class Line {
 
 
 console.log("You have solved the problem: " + (polygonsAreConnected(polygon1, polygon2) == true))
-  
\ No newline at end of file
+ 
+// TODO: does not work for vertical borders.
+// TODO: will rounding errors be an issue?
\ No newline at end of file