diff --git a/docs/sources.md b/docs/sources.md
new file mode 100644
index 0000000..440c6a4
--- /dev/null
+++ b/docs/sources.md
@@ -0,0 +1,6 @@
+# Sources codes
+
+Sources codes are accessible on [Gitnet](https://gitnet.fr/):
+
+* [Core](https://gitnet.fr/murph/murph-core)
+* [Source code the skeleton](https://gitnet.fr/murph/murph-skeleton)
diff --git a/mkdocs.yml b/mkdocs.yml
index 84aa06e..9a3d7f5 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -5,7 +5,7 @@ extra_css:
     - /_static/css/extra.css
 nav:
     - Overview: index.md
-    - 'Source code': "https://gitnet.fr/murph/murph-skeleton"
+    - 'Sources codes': sources.md
     - Installation: install.md
     - 'Tree manager':
         - Overview: tree/index.md