diff --git a/doc/internals/extending_catalogues.rst b/doc/internals/extending_catalogues.rst
index fbdb7e913982121127d070e55855f910814f178a..1e954d19108766af77753c7db098cfc8a320e1f7 100644
--- a/doc/internals/extending_catalogues.rst
+++ b/doc/internals/extending_catalogues.rst
@@ -10,7 +10,7 @@ all likelihood interested in the former.
 .. warning::
 
    If you are coming from NEURON and looking for the equivalent of
-   ``nrnivmodl``, please read on :ref:`here <_mechanisms_dynamic>`.
+   ``nrnivmodl``, please read on :ref:`here <mechanisms_dynamic>`.
 
    Following this path is for developers rather than end-users.