diff --git a/models/README.MD b/models/README.MD
index 9fc2273bc..75eeb3bda 100644
--- a/models/README.MD
+++ b/models/README.MD
@@ -4,7 +4,7 @@ this folder contain all element to extract interesting Gfx
 ## Instruction
 you need blender between 3.6 and 4.2.1
 
-run `make model_extract -j` to extract assets in multithreaded
+run `make model_extract -j` to extract assets in multithreaded. And waits (for me it take around 20 minutes so it take his time).
 
 ## Organisation
 In Tracks there is all track json and folder (once extracted). In each track folder you can find three folder objects, sections, preview. Objects are all assets who are use for object/actor. Sections are all sections reference in a Gfx list who are use with render_course_segments. And preview are the version of the track who are use in func_8029569C who the complete track or a big part (some are broken).
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