diff --git a/modules/ViewerController/src/main/java/org/janelia/workstation/controller/action/NeuronChooseColorAction.java b/modules/ViewerController/src/main/java/org/janelia/workstation/controller/action/NeuronChooseColorAction.java
index 53ac5716b..c0320a11e 100644
--- a/modules/ViewerController/src/main/java/org/janelia/workstation/controller/action/NeuronChooseColorAction.java
+++ b/modules/ViewerController/src/main/java/org/janelia/workstation/controller/action/NeuronChooseColorAction.java
@@ -50,7 +50,7 @@ public void actionPerformed(ActionEvent e) {
         if (TmSelectionState.getInstance().getCurrentNeuron() == null) {
             JOptionPane.showMessageDialog(
                     null,
-                    "You must select a neuron to set it's color.",
+                    "You must select a neuron to set its color.",
                     "No neuron selected",
                     JOptionPane.ERROR_MESSAGE);
         } else {