diff --git a/docs/reference/ImageMath.rst b/docs/reference/ImageMath.rst
index 445a7e277..ca30244d1 100644
--- a/docs/reference/ImageMath.rst
+++ b/docs/reference/ImageMath.rst
@@ -5,8 +5,8 @@
 ==========================
 
 The :py:mod:`ImageMath` module can be used to evaluate “image expressions”. The
-module provides a single eval function, which takes an expression string and
-one or more images.
+module provides a single :py:meth:`~PIL.ImageMath.eval` function, which takes
+an expression string and one or more images.
 
 Example: Using the :py:mod:`~PIL.ImageMath` module
 --------------------------------------------------