diff --git a/docs/api/gym_jiminy/common/wrappers/index.rst b/docs/api/gym_jiminy/common/wrappers/index.rst
index f793ecd8f..913cd8ecd 100644
--- a/docs/api/gym_jiminy/common/wrappers/index.rst
+++ b/docs/api/gym_jiminy/common/wrappers/index.rst
@@ -5,6 +5,6 @@ Wrappers
    :maxdepth: 1
 
    flatten
-   normalize
-   observation_filter
+   scale
+   observation_layout
    observation_stack
diff --git a/docs/api/gym_jiminy/common/wrappers/normalize.rst b/docs/api/gym_jiminy/common/wrappers/normalize.rst
deleted file mode 100644
index 51048739f..000000000
--- a/docs/api/gym_jiminy/common/wrappers/normalize.rst
+++ /dev/null
@@ -1,6 +0,0 @@
-Normalization
-=============
-
-.. automodule:: gym_jiminy.common.wrappers.normalize
-   :members:
-   :show-inheritance:
diff --git a/docs/api/gym_jiminy/common/wrappers/observation_filter.rst b/docs/api/gym_jiminy/common/wrappers/observation_layout.rst
similarity index 62%
rename from docs/api/gym_jiminy/common/wrappers/observation_filter.rst
rename to docs/api/gym_jiminy/common/wrappers/observation_layout.rst
index eb8ad495f..f35f71285 100644
--- a/docs/api/gym_jiminy/common/wrappers/observation_filter.rst
+++ b/docs/api/gym_jiminy/common/wrappers/observation_layout.rst
@@ -1,5 +1,5 @@
-Observation Filtering
-=====================
+Observation Layout Adaptation
+=============================
 
 .. automodule:: gym_jiminy.common.wrappers.observation_filter
    :members:
diff --git a/docs/api/gym_jiminy/common/wrappers/scale.rst b/docs/api/gym_jiminy/common/wrappers/scale.rst
new file mode 100644
index 000000000..177fed35d
--- /dev/null
+++ b/docs/api/gym_jiminy/common/wrappers/scale.rst
@@ -0,0 +1,10 @@
+Scaling and normalization
+=========================
+
+.. automodule:: gym_jiminy.common.wrappers.scale
+   :members:
+   :show-inheritance:
+
+.. automodule:: gym_jiminy.common.wrappers.normalize
+   :members:
+   :show-inheritance: