diff --git a/src/python/corrade/containers.cpp b/src/python/corrade/containers.cpp
index b207f3f..102e0dc 100644
--- a/src/python/corrade/containers.cpp
+++ b/src/python/corrade/containers.cpp
@@ -402,6 +402,8 @@ template<class T> void mutableStridedArrayView3D(py::class_<PyStridedArrayView<3
 }
 
 void containers(py::module& m) {
+    m.doc() = "Corrade containers module";
+
     py::class_<PyArrayView<const char>> arrayView_{m,
         "ArrayView", "Array view", py::buffer_protocol{}};
     arrayView(arrayView_);
@@ -446,6 +448,5 @@ void containers(py::module& m) {
 }}
 
 PYBIND11_MODULE(containers, m) {
-    m.doc() = "Corrade containers module";
     corrade::containers(m);
 }
diff --git a/src/python/magnum/gl.cpp b/src/python/magnum/gl.cpp
index 264b391..e8c2640 100644
--- a/src/python/magnum/gl.cpp
+++ b/src/python/magnum/gl.cpp
@@ -42,6 +42,8 @@
 namespace magnum { namespace {
 
 void gl(py::module& m) {
+    m.doc() = "OpenGL wrapping layer";
+
     py::module::import("corrade.containers");
 
     /* Abstract shader program */
@@ -303,7 +305,5 @@ void gl(py::module& m) {
 }}
 
 PYBIND11_MODULE(gl, m) {
-    m.doc() = "OpenGL wrapping layer";
-
     magnum::gl(m);
 }
diff --git a/src/python/magnum/meshtools.cpp b/src/python/magnum/meshtools.cpp
index e63dd4e..1a9ffdf 100644
--- a/src/python/magnum/meshtools.cpp
+++ b/src/python/magnum/meshtools.cpp
@@ -35,6 +35,8 @@
 namespace magnum { namespace {
 
 void meshtools(py::module& m) {
+    m.doc() = "Mesh tools";
+
     py::module::import("magnum.gl");
     py::module::import("magnum.trade");
 
@@ -50,7 +52,5 @@ void meshtools(py::module& m) {
 }}
 
 PYBIND11_MODULE(meshtools, m) {
-    m.doc() = "Mesh tools";
-
     magnum::meshtools(m);
 }
diff --git a/src/python/magnum/platform/egl.cpp b/src/python/magnum/platform/egl.cpp
index c1b291d..d59c10f 100644
--- a/src/python/magnum/platform/egl.cpp
+++ b/src/python/magnum/platform/egl.cpp
@@ -34,6 +34,8 @@ namespace magnum { namespace platform { namespace {
 int argc = 0;
 
 void egl(py::module& m) {
+    m.doc() = "EGL-based platform integration";
+
     struct PyWindowlessApplication: Platform::WindowlessApplication {
         explicit PyWindowlessApplication(const Configuration& configuration = Configuration{}): Platform::WindowlessApplication{Arguments{argc, nullptr}, configuration} {}
 
@@ -54,7 +56,5 @@ void egl(py::module& m) {
 }}}
 
 PYBIND11_MODULE(egl, m) {
-    m.doc() = "EGL-based platform integration";
-
     magnum::platform::egl(m);
 }
diff --git a/src/python/magnum/platform/glfw.cpp b/src/python/magnum/platform/glfw.cpp
index cda5611..2a38fc6 100644
--- a/src/python/magnum/platform/glfw.cpp
+++ b/src/python/magnum/platform/glfw.cpp
@@ -34,6 +34,8 @@ namespace magnum { namespace platform { namespace {
 int argc = 0;
 
 void glfw(py::module& m) {
+    m.doc() = "GLFW-based platform integration";
+
     struct PublicizedApplication: Platform::Application {
         explicit PublicizedApplication(const Configuration& configuration, const GLConfiguration& glConfiguration): Platform::Application{Arguments{argc, nullptr}, configuration, glConfiguration} {}
 
@@ -106,7 +108,5 @@ void glfw(py::module& m) {
 }}}
 
 PYBIND11_MODULE(glfw, m) {
-    m.doc() = "GLFW-based platform integration";
-
     magnum::platform::glfw(m);
 }
diff --git a/src/python/magnum/platform/glx.cpp b/src/python/magnum/platform/glx.cpp
index 21631e6..48c1ab1 100644
--- a/src/python/magnum/platform/glx.cpp
+++ b/src/python/magnum/platform/glx.cpp
@@ -34,6 +34,8 @@ namespace magnum { namespace platform { namespace {
 int argc = 0;
 
 void glx(py::module& m) {
+    m.doc() = "GLX-based platform integration";
+
     struct PyWindowlessApplication: Platform::WindowlessApplication {
         explicit PyWindowlessApplication(const Configuration& configuration = Configuration{}): Platform::WindowlessApplication{Arguments{argc, nullptr}, configuration} {}
 
@@ -54,7 +56,5 @@ void glx(py::module& m) {
 }}}
 
 PYBIND11_MODULE(glx, m) {
-    m.doc() = "GLX-based platform integration";
-
     magnum::platform::glx(m);
 }
diff --git a/src/python/magnum/platform/sdl2.cpp b/src/python/magnum/platform/sdl2.cpp
index 26d83dd..5e94c8d 100644
--- a/src/python/magnum/platform/sdl2.cpp
+++ b/src/python/magnum/platform/sdl2.cpp
@@ -34,6 +34,8 @@ namespace magnum { namespace platform { namespace {
 int argc = 0;
 
 void sdl2(py::module& m) {
+    m.doc() = "SDL2-based platform integration";
+
     struct PublicizedApplication: Platform::Application {
         explicit PublicizedApplication(const Configuration& configuration, const GLConfiguration& glConfiguration): Platform::Application{Arguments{argc, nullptr}, configuration, glConfiguration} {}
 
@@ -114,7 +116,5 @@ void sdl2(py::module& m) {
 }}}
 
 PYBIND11_MODULE(sdl2, m) {
-    m.doc() = "SDL2-based platform integration";
-
     magnum::platform::sdl2(m);
 }
diff --git a/src/python/magnum/primitives.cpp b/src/python/magnum/primitives.cpp
index 79edce6..d16252f 100644
--- a/src/python/magnum/primitives.cpp
+++ b/src/python/magnum/primitives.cpp
@@ -34,6 +34,8 @@
 namespace magnum { namespace {
 
 void primitives(py::module& m) {
+    m.doc() = "Primitive library";
+
     py::module::import("magnum.trade");
 
     py::enum_<Primitives::SquareTextureCoords>{m, "SquareTextureCoords", "Whether to generate square texture coordinates"}
@@ -52,7 +54,5 @@ void primitives(py::module& m) {
 }}
 
 PYBIND11_MODULE(primitives, m) {
-    m.doc() = "Primitive library";
-
     magnum::primitives(m);
 }
diff --git a/src/python/magnum/scenegraph.cpp b/src/python/magnum/scenegraph.cpp
index e609f04..e744db4 100644
--- a/src/python/magnum/scenegraph.cpp
+++ b/src/python/magnum/scenegraph.cpp
@@ -121,6 +121,8 @@ template<UnsignedInt dimensions, class T> void camera(py::class_<SceneGraph::Cam
 }
 
 void scenegraph(py::module& m) {
+    m.doc() = "Scene graph library";
+
     /* Abstract objects. Returned from feature.object, so need to be registered
        as well. */
     {
@@ -159,14 +161,14 @@ void scenegraph(py::module& m) {
         camera(camera2D);
         camera(camera3D);
     }
+
+    /* Concrete transformation implementations */
+    magnum::scenegraphMatrix(m);
+    magnum::scenegraphTrs(m);
 }
 
 }}
 
 PYBIND11_MODULE(scenegraph, m) {
-    m.doc() = "Scene graph library";
-
     magnum::scenegraph(m);
-    magnum::scenegraphMatrix(m);
-    magnum::scenegraphTrs(m);
 }
diff --git a/src/python/magnum/shaders.cpp b/src/python/magnum/shaders.cpp
index 263b057..f9fcb11 100644
--- a/src/python/magnum/shaders.cpp
+++ b/src/python/magnum/shaders.cpp
@@ -61,6 +61,8 @@ template<UnsignedInt dimensions> void vertexColor(NonDestructibleBase<Shaders::V
 }
 
 void shaders(py::module& m) {
+    m.doc() = "Builtin shaders";
+
     py::module::import("magnum.gl");
 
     /* 2D/3D vertex color shader */
@@ -152,7 +154,5 @@ void shaders(py::module& m) {
 }}
 
 PYBIND11_MODULE(shaders, m) {
-    m.doc() = "Builtin shaders";
-
     magnum::shaders(m);
 }
diff --git a/src/python/magnum/trade.cpp b/src/python/magnum/trade.cpp
index 58179c5..8afd331 100644
--- a/src/python/magnum/trade.cpp
+++ b/src/python/magnum/trade.cpp
@@ -38,6 +38,8 @@ template<class T> void meshData(py::class_<T>& c) {
 }
 
 void trade(py::module& m) {
+    m.doc() = "Data format exchange";
+
     py::class_<Trade::MeshData2D> meshData2D{m, "MeshData2D", "Two-dimensional mesh data"};
     py::class_<Trade::MeshData3D> meshData3D{m, "MeshData3D", "Three-dimensional mesh data"};
     meshData(meshData2D);
@@ -47,7 +49,5 @@ void trade(py::module& m) {
 }}
 
 PYBIND11_MODULE(trade, m) {
-    m.doc() = "Data format exchange";
-
     magnum::trade(m);
 }