diff --git a/doc/examples/plot_watershed.py b/doc/examples/plot_watershed.py
index 88f54ba7..f003c122 100644
--- a/doc/examples/plot_watershed.py
+++ b/doc/examples/plot_watershed.py
@@ -52,8 +52,11 @@ fig, axes = plt.subplots(ncols=3, figsize=(8, 2.7))
 ax0, ax1, ax2 = axes
 
 ax0.imshow(image, cmap=plt.cm.gray, interpolation='nearest')
+ax0.set_title('Overlapping objects')
 ax1.imshow(-distance, cmap=plt.cm.jet, interpolation='nearest')
+ax1.set_title('Distances')
 ax2.imshow(labels, cmap=plt.cm.spectral, interpolation='nearest')
+ax2.set_title('Separated objects')
 
 for ax in axes:
     ax.axis('off')