diff --git a/docs/devel/index.rst b/docs/devel/index.rst
index a3241cb002559fd7d8bb4d896079a406df2fab4a..c05bd864a12b882c0ede0414bdad1b5b1bfd54fb 100644
--- a/docs/devel/index.rst
+++ b/docs/devel/index.rst
@@ -88,7 +88,7 @@ Components
 Here is brief overview of the most relevant software components in the Software
 Heritage stack, in alphabetical order.
 For a better introduction to the architecture, see the :ref:`architecture-overview`,
-which presents each of them in a didactical order.
+which presents each of them in a didactic order.
 
 Each component name is linked to the development documentation
 of the corresponding Python module.