diff --git a/src/main/java/org/apache/commons/math3/linear/QRDecomposition.java b/src/main/java/org/apache/commons/math3/linear/QRDecomposition.java
index 8fa37c2f4..2188dd0e5 100644
--- a/src/main/java/org/apache/commons/math3/linear/QRDecomposition.java
+++ b/src/main/java/org/apache/commons/math3/linear/QRDecomposition.java
@@ -207,7 +207,7 @@ public class QRDecomposition {
     /**
      * Returns the transpose of the matrix Q of the decomposition.
      * <p>Q is an orthogonal matrix</p>
-     * @return the Q matrix
+     * @return the transpose of the Q matrix, Q<sup>T</sup>
      */
     public RealMatrix getQT() {
         if (cachedQT == null) {