diff --git a/readme.md b/readme.md
index edde9b0..809b471 100644
--- a/readme.md
+++ b/readme.md
@@ -14,7 +14,7 @@ python -m  datasets.generate_txt
 
 cache 3d data into slices
 ```
-python -m datasets.cache_datasets3d
+python -m datasets.cache_dataset3d
 ```
 
 ## Training