diff --git a/examples/gaussian_process/plot_gpr_prior_posterior.py b/examples/gaussian_process/plot_gpr_prior_posterior.py
index b36d49617432d..f889eba202748 100644
--- a/examples/gaussian_process/plot_gpr_prior_posterior.py
+++ b/examples/gaussian_process/plot_gpr_prior_posterior.py
@@ -159,7 +159,7 @@ def plot_gpr_samples(gpr_model, n_samples, ax):
 
 # %%
 # Exp-Sine-Squared kernel
-# ...............
+# .......................
 from sklearn.gaussian_process.kernels import ExpSineSquared
 
 kernel = 1.0 * ExpSineSquared(