diff --git a/docs/sphinx/source/whatsnew/v0.10.3.rst b/docs/sphinx/source/whatsnew/v0.10.3.rst
index efa2fab075..0d46d035ec 100644
--- a/docs/sphinx/source/whatsnew/v0.10.3.rst
+++ b/docs/sphinx/source/whatsnew/v0.10.3.rst
@@ -23,4 +23,4 @@ Documentation
 
 Contributors
 ~~~~~~~~~~~~
-
+* Arjan Keeman (:ghuser:`akeeman`)
diff --git a/pvlib/iam.py b/pvlib/iam.py
index d72866e1e9..b0b2202ad9 100644
--- a/pvlib/iam.py
+++ b/pvlib/iam.py
@@ -840,7 +840,7 @@ def schlick(aoi):
 
 
 def schlick_diffuse(surface_tilt):
-    """
+    r"""
     Determine the incidence angle modifiers (IAM) for diffuse sky and
     ground-reflected irradiance on a tilted surface using the Schlick
     incident angle model.