diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71854778..ecad707a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+* Update docs to include envelope
+
 ### Changed
 
 ### Removed
diff --git a/docs/api/compas_tna.envelope.rst b/docs/api/compas_tna.envelope.rst
new file mode 100644
index 00000000..fe7a6eab
--- /dev/null
+++ b/docs/api/compas_tna.envelope.rst
@@ -0,0 +1,21 @@
+********************************************************************************
+compas_tna.envelope
+********************************************************************************
+
+.. currentmodule:: compas_tna.envelope
+
+Classes
+=======
+
+.. autosummary::
+    :toctree: generated/
+    :nosignatures:
+
+    Envelope
+    BrepEnvelope
+    MeshEnvelope
+    ParametricEnvelope
+    PavillionVaultEnvelope
+    PointedVaultEnvelope
+    DomeEnvelope
+    CrossVaultEnvelope
diff --git a/docs/api/compas_tna.rst b/docs/api/compas_tna.rst
index 70de6bfa..16acf06d 100644
--- a/docs/api/compas_tna.rst
+++ b/docs/api/compas_tna.rst
@@ -10,6 +10,7 @@ compas_tna
 
     compas_tna.diagrams
     compas_tna.equilibrium
+    compas_tna.envelope
     compas_tna.loads
     compas_tna.notebook
     compas_tna.rhino
diff --git a/src/compas_tna/envelope/meshenvelope.py b/src/compas_tna/envelope/meshenvelope.py
index f61f60eb..10d57d36 100644
--- a/src/compas_tna/envelope/meshenvelope.py
+++ b/src/compas_tna/envelope/meshenvelope.py
@@ -539,13 +539,13 @@ def apply_selfweight_to_formdiagram(self, formdiagram: FormDiagram, normalize=Tr
         if normalize and total_pz > 0:
             scale_factor = total_selfweight / total_pz
             if scale_factor != 1.0:
-                print(f"Scaled selfweight by factor: {scale_factor}")
+                print(f"Scaled selfweight by factor: {scale_factor:.3f}")
 
             for vertex in formdiagram.vertices():
                 pz = formdiagram.vertex_attribute(vertex, "pz")
                 formdiagram.vertex_attribute(vertex, "pz", pz * scale_factor)
 
-        print(f"Selfweight applied to form diagram. Total load: {sum(abs(formdiagram.vertex_attribute(vertex, 'pz')) for vertex in formdiagram.vertices())}")
+        print(f"Selfweight applied to form diagram. Total load: {sum(abs(formdiagram.vertex_attribute(vertex, 'pz')) for vertex in formdiagram.vertices()):.1f}")
 
     def apply_fill_weight_to_formdiagram(self, formdiagram: FormDiagram) -> None:
         """Apply fill weight to the nodes of a form diagram based on the fill surface and local thicknesses."""
diff --git a/src/compas_tna/envelope/parametricenvelope.py b/src/compas_tna/envelope/parametricenvelope.py
index 8366e522..e7f8b82e 100644
--- a/src/compas_tna/envelope/parametricenvelope.py
+++ b/src/compas_tna/envelope/parametricenvelope.py
@@ -146,13 +146,13 @@ def apply_selfweight_to_formdiagram(self, formdiagram: FormDiagram, normalize=Tr
         if normalize and total_pz > 0:
             scale_factor = total_selfweight / total_pz
             if scale_factor != 1.0:
-                print(f"Scaled selfweight by factor: {scale_factor}")
+                print(f"Scaled selfweight by factor: {scale_factor:.3f}")
 
             for vertex in formdiagram.vertices():
                 pz = formdiagram.vertex_attribute(vertex, "pz")
                 formdiagram.vertex_attribute(vertex, "pz", pz * scale_factor)
 
-        print(f"Selfweight applied to form diagram. Total load: {sum(abs(formdiagram.vertex_attribute(vertex, 'pz')) for vertex in formdiagram.vertices())}")
+        print(f"Selfweight applied to form diagram. Total load: {sum(abs(formdiagram.vertex_attribute(vertex, 'pz')) for vertex in formdiagram.vertices()):.1f}")
 
     def apply_bounds_to_formdiagram(self, formdiagram: FormDiagram) -> None:
         """Apply envelope bounds to a form diagram based on the intrados and extrados surfaces.