diff --git a/docs/source/reducing_memory_usage.md b/docs/source/reducing_memory_usage.md
index ecc921168e..e015c43906 100644
--- a/docs/source/reducing_memory_usage.md
+++ b/docs/source/reducing_memory_usage.md
@@ -55,7 +55,7 @@ To set the truncation parameter, use the following code snippet:
 ```python
 from trl import SFTConfig
 
-training_args = SFTConfig(..., max_length=...)
+training_args = SFTConfig(..., max_seq_length=...)
 ```
 
 </hfoption>