diff --git a/doc/ext/plot2rst.py b/doc/ext/plot2rst.py
index 5933073f..92978723 100644
--- a/doc/ext/plot2rst.py
+++ b/doc/ext/plot2rst.py
@@ -9,7 +9,7 @@ To generate your own examples, add this extension to the list of
 example directory(ies) in `plot2rst_paths` (see below) points to a directory
 with examples named `plot_*.py` and include an `index.rst` file.
 
-This code was adapted from scikit-image, which took it from scikits-learn.
+This code was adapted from scikit-image, which took it from scikit-learn.
 
 Options
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