diff --git a/docs/contribute/addnode.qmd b/docs/contribute/addnode.qmd
index 491743c91..1a9005b37 100644
--- a/docs/contribute/addnode.qmd
+++ b/docs/contribute/addnode.qmd
@@ -239,26 +239,24 @@ There are several parts of the documentation which should be updated with the ne
 - `docs/core/equations` should contain a short explanation and if possible an analytical expression for the behaviour of the new node;
 - `docs/core/usage.qmd` should contain a short explanation of the node and the possible schemas associated with it;
 - The example models constructed in `docs/python/examples.ipynb` should be extended with the new node type or a new example model with the new node type should be made.
+- In `_quarto.yml` add `NewNodeType` to the "Node types" contents for the Python API reference.
+
 
 # Finishing up
 
 When a new node type is created, one needs to run
 
 ```
-julia --project=docs docs/gen_schema.jl
+pixi run codegen
 ```
-to create new JSON Schemas in the docs folder.
 
-:::{.callout-note}
-If you haven't done so before, you first need to instantiate your docs environment.
-Run `julia --project=docs`, followed by running `instantiate` in the Pkg mode (press `]`).
-:::
+This will derive all JSON Schemas from the julia code, and write them to the docs folder.
+From these JSON Schemas the Python modules `models.py` and `config.py` are generated.
 
-To generate the Python module `models.py` and `config.py` from the JSON Schemas, run:
+Since adding a node type touches both the Python and Julia code,
+it is a good idea to run both the [Python test suite](python.qmd#test) and [Julia test suite](core.qmd#test) locally before creating a pull request.
+You can run all tests with:
 
 ```
-pixi run codegen
+pixi run tests
 ```
-
-Since adding a node type touches both the Python and Julia code,
-it is a good idea to run both the [Python test suite](python.qmd#test) and [Julia test suite](core.qmd#test) locally before creating a pull request.
diff --git a/pixi.toml b/pixi.toml
index 5e8c8e362..1a4e15a13 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -72,7 +72,9 @@ test-ribasim-core = { cmd = "julia --project=core --eval 'using Pkg; Pkg.instant
 generate-testmodels = "python utils/generate-testmodels.py"
 tests = { depends_on = ["lint", "test-ribasim-python", "test-ribasim-core"] }
 # Codegen
-generate-schema = "julia --project=docs docs/gen_schema.jl"
+generate-schema = { cmd = "julia --project=docs docs/gen_schema.jl", depends_on = [
+    "instantiate-julia-docs",
+] }
 generate-python = """\
     datamodel-codegen --use-title-as-name --use-double-quotes --disable-timestamp --use-default --strict-nullable --input-file-type=jsonschema --input docs/schema/root.schema.json --output python/ribasim/ribasim/models.py && \
     datamodel-codegen --use-title-as-name --use-double-quotes --disable-timestamp --use-default --strict-nullable --input-file-type=jsonschema --input docs/schema/Config.schema.json --output python/ribasim/ribasim/config.py"""