From 8e6d99f98443d99bb73efb37d2a867cc7b3a1c39 Mon Sep 17 00:00:00 2001
From: Rajarshi Guha <rajarshi.guha@gmail.com>
Date: Wed, 3 Aug 2016 10:50:23 -0400
Subject: [PATCH] Updated misleading Javadoc

---
 .../java/org/openscience/cdk/geometry/GeometryUtil.java    | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/base/standard/src/main/java/org/openscience/cdk/geometry/GeometryUtil.java b/base/standard/src/main/java/org/openscience/cdk/geometry/GeometryUtil.java
index 6e5ec71a09e..1aa922c4f1e 100644
--- a/base/standard/src/main/java/org/openscience/cdk/geometry/GeometryUtil.java
+++ b/base/standard/src/main/java/org/openscience/cdk/geometry/GeometryUtil.java
@@ -527,12 +527,11 @@ public static void translate2DCenterTo(IAtomContainer container, Point2d p) {
     }
 
     /**
-     * Calculates the center of mass for the <code>Atom</code>s in the AtomContainer for the 2D
-     * coordinates. See comment for center(IAtomContainer atomCon, Dimension areaDim, HashMap
-     * renderingCoordinates) for details on coordinate sets
+     * Calculates the center of mass for the <code>Atom</code>s in the AtomContainer.
      *
      * @param ac AtomContainer for which the center of mass is calculated
-     * @return Description of the Return Value
+     * @return The center of mass of the molecule, or <code>NULL</code> if the molecule
+     * does not have 3D coordinates or if any of the atoms do not have a valid atomic mass
      * @cdk.keyword center of mass
      * @cdk.dictref blue-obelisk:calculate3DCenterOfMass
      */