diff --git a/doc/examples/plot_pyramid.py b/doc/examples/plot_pyramid.py
index 47ac1e16..8752af68 100644
--- a/doc/examples/plot_pyramid.py
+++ b/doc/examples/plot_pyramid.py
@@ -3,7 +3,7 @@
 Build image pyramids
 ====================
 
-The `build_gauassian_pyramid` function takes an image and yields successive
+The `build_gaussian_pyramid` function takes an image and yields successive
 images shrunk by a constant scale factor. Image pyramids are often used, e.g.,
 to implement algorithms for denoising, texture discrimination, and scale-
 invariant detection.