diff --git a/docs/source/how_to_guides/writing_custom_nodes.md b/docs/source/how_to_guides/writing_custom_nodes.md
index 2204c0c9..813f3d96 100644
--- a/docs/source/how_to_guides/writing_custom_nodes.md
+++ b/docs/source/how_to_guides/writing_custom_nodes.md
@@ -142,9 +142,9 @@ databases. [^kedro]
 
 ## References
 
-[^structural-subtyping]: Structural subtyping is similar to ABCs an approach in Python to enforce interfaces,
-    but it can be considered more pythonic since it is closer to duck typing. Hynek
-    Schlawack wrote a comprehensive
+[^structural-subtyping]: Structural subtyping is similar to ABCs an approach in Python to enforce interfaces, but
+    it can be considered more pythonic since it is closer to duck typing. Hynek Schlawack
+    wrote a comprehensive
     [guide on subclassing](https://hynek.me/articles/python-subclassing-redux/) that
     features protocols under "Type 2". Glyph wrote an introduction to protocols called
     [I want a new duck](https://glyph.twistedmatrix.com/2020/07/new-duck.html).