diff --git a/src/script/canvas.c b/src/script/canvas.c
index 7d8a725d1..5e931943d 100644
--- a/src/script/canvas.c
+++ b/src/script/canvas.c
@@ -262,10 +262,15 @@ mSCRIPT_DEFINE_STRUCT(mScriptCanvasContext)
 	mSCRIPT_DEFINE_STRUCT_DEINIT(mScriptCanvasContext)
 	mSCRIPT_DEFINE_DOCSTRING("Create a new layer of a given size. If multiple layers overlap, the most recently created one takes priority.")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, newLayer)
+	mSCRIPT_DEFINE_DOCSTRING("Update all layers marked as having pending changes")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, update)
+	mSCRIPT_DEFINE_DOCSTRING("Get the width of the canvas")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, width)
+	mSCRIPT_DEFINE_DOCSTRING("Get the height of the canvas")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, height)
+	mSCRIPT_DEFINE_DOCSTRING("Get the width of the emulated screen")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, screenWidth)
+	mSCRIPT_DEFINE_DOCSTRING("Get the height of the emulated screen")
 	mSCRIPT_DEFINE_STRUCT_METHOD(mScriptCanvasContext, screenHeight)
 mSCRIPT_DEFINE_END;