diff --git a/biojava-structure/src/main/java/org/biojava/nbio/structure/geometry/SuperPositionQCP.java b/biojava-structure/src/main/java/org/biojava/nbio/structure/geometry/SuperPositionQCP.java
index <HASH>..<HASH> 100644
--- a/biojava-structure/src/main/java/org/biojava/nbio/structure/geometry/SuperPositionQCP.java
+++ b/biojava-structure/src/main/java/org/biojava/nbio/structure/geometry/SuperPositionQCP.java
@@ -232,6 +232,7 @@ public final class SuperPositionQCP {
 
     /**
      * Returns the transformed (superposed) y coordinates
+     * TODO this is actually returning a transformation of the x coordinates, we should review if that's correct and change it if not
      * @return transformed y coordinates
      */
 	public Point3d[] getTransformedCoordinates() {
Added caveat to javadoc