diff --git a/src/transform/bound_array_accessors.h b/src/transform/bound_array_accessors.h
index 7c97a8b773..899e7d3ef5 100644
--- a/src/transform/bound_array_accessors.h
+++ b/src/transform/bound_array_accessors.h
@@ -39,9 +39,6 @@ class BoundArrayAccessors : public Transform {
   ~BoundArrayAccessors() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/emit_vertex_point_size.h b/src/transform/emit_vertex_point_size.h
index edd07fa527..210cd5106a 100644
--- a/src/transform/emit_vertex_point_size.h
+++ b/src/transform/emit_vertex_point_size.h
@@ -33,9 +33,6 @@ class EmitVertexPointSize : public Transform {
   ~EmitVertexPointSize() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/first_index_offset.h b/src/transform/first_index_offset.h
index ffbf496790..b8983ae81a 100644
--- a/src/transform/first_index_offset.h
+++ b/src/transform/first_index_offset.h
@@ -69,9 +69,6 @@ class FirstIndexOffset : public Transform {
   ~FirstIndexOffset() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/hlsl.h b/src/transform/hlsl.h
index 193e54bc30..a313c93f67 100644
--- a/src/transform/hlsl.h
+++ b/src/transform/hlsl.h
@@ -34,9 +34,6 @@ class Hlsl : public Transform {
   ~Hlsl() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/manager.h b/src/transform/manager.h
index 0816ce0f0a..f2f43417f0 100644
--- a/src/transform/manager.h
+++ b/src/transform/manager.h
@@ -26,9 +26,10 @@
 namespace tint {
 namespace transform {
 
-/// Manager for the provided passes. The passes will be execute in the
-/// appended order. If any pass fails the manager will return immediately and
-/// the error can be retrieved with the error() method.
+/// A collection of Transforms that act as a single Transform.
+/// The inner transforms will execute in the appended order.
+/// If any inner transform fails the manager will return immediately and
+/// the error can be retrieved with the Output's diagnostics.
 class Manager : public Transform {
  public:
   /// Constructor
diff --git a/src/transform/msl.h b/src/transform/msl.h
index b437608965..d98ae6ca29 100644
--- a/src/transform/msl.h
+++ b/src/transform/msl.h
@@ -30,9 +30,6 @@ class Msl : public Transform {
   ~Msl() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/spirv.h b/src/transform/spirv.h
index 5f79d81dcb..cb67e738ec 100644
--- a/src/transform/spirv.h
+++ b/src/transform/spirv.h
@@ -34,9 +34,6 @@ class Spirv : public Transform {
   ~Spirv() override;
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;
diff --git a/src/transform/transform.h b/src/transform/transform.h
index c3f05c19f7..3516259183 100644
--- a/src/transform/transform.h
+++ b/src/transform/transform.h
@@ -54,9 +54,6 @@ class Transform {
   };
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   virtual Output Run(const Program* program) = 0;
diff --git a/src/transform/vertex_pulling.h b/src/transform/vertex_pulling.h
index 3db054d866..215052e458 100644
--- a/src/transform/vertex_pulling.h
+++ b/src/transform/vertex_pulling.h
@@ -160,9 +160,6 @@ class VertexPulling : public Transform {
   void SetPullingBufferBindingGroup(uint32_t number);
 
   /// Runs the transform on `program`, returning the transformation result.
-  /// @note Users of Tint should register the transform with transform manager
-  /// and invoke its Run(), instead of directly calling the transform's Run().
-  /// Calling Run() directly does not perform program state cleanup operations.
   /// @param program the source program to transform
   /// @returns the transformation result
   Output Run(const Program* program) override;