diff --git a/doc/examples/plot_radon_transform.py b/doc/examples/plot_radon_transform.py
index a4c90955..b4b9721d 100644
--- a/doc/examples/plot_radon_transform.py
+++ b/doc/examples/plot_radon_transform.py
@@ -31,21 +31,21 @@ image = rescale(image, scale=0.4)
 plt.figure(figsize=(8, 8.5))
 
 plt.subplot(221)
-plt.title("Original");
+plt.title("Original")
 plt.imshow(image, cmap=plt.cm.Greys_r)
 
 plt.subplot(222)
 projections = radon(image, theta=[0, 45, 90])
-plt.plot(projections);
+plt.plot(projections)
 plt.title("Projections at\n0, 45 and 90 degrees")
-plt.xlabel("Projection axis");
-plt.ylabel("Intensity");
+plt.xlabel("Projection axis")
+plt.ylabel("Intensity")
 
 projections = radon(image)
 plt.subplot(223)
-plt.title("Radon transform\n(Sinogram)");
-plt.xlabel("Projection angle (degrees)");
-plt.ylabel("Projection axis");
+plt.title("Radon transform\n(Sinogram)")
+plt.xlabel("Projection angle (degrees)")
+plt.ylabel("Projection axis")
 plt.imshow(projections, aspect='auto')
 
 reconstruction = iradon(projections)