diff --git a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Vector3D.java b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Vector3D.java
index 0ac52dae0..15ed75f17 100644
--- a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Vector3D.java
+++ b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Vector3D.java
@@ -411,7 +411,7 @@ public int hashCode() {
         return 643 * (164 * Double.hashCode(x) + 3 * Double.hashCode(y) + Double.hashCode(z));
     }
 
-    /**d
+    /**
      * Test for the equality of two vector instances.
      * <p>
      * If all coordinates of two vectors are exactly the same, and none are