diff --git a/outlines/integrations/vllm.py b/outlines/integrations/vllm.py
index 1df49d19b..91ba84510 100644
--- a/outlines/integrations/vllm.py
+++ b/outlines/integrations/vllm.py
@@ -152,7 +152,7 @@ def __init__(
 
 
 class CFGLogitsProcessor:
-    """Bias vLLM generation based on a regular expression.
+    """Bias vLLM generation based on a context-free grammar.
 
     Attributes
     ----------