diff --git a/docs/writing/documentation.rst b/docs/writing/documentation.rst
index 514197a..e469439 100644
--- a/docs/writing/documentation.rst
+++ b/docs/writing/documentation.rst
@@ -55,6 +55,8 @@ Comments
 Comments are written directly inside the code, either using the hash sign (#)
 or a docstring_.
 
+.. _docstring: docstrings_
+
 Finding the correct balance between undocumented code and verbose and useless
 comment boilerplates is difficult, and is the subject of heated discussion
 among developers.