diff --git a/libs/langchain/langchain/evaluation/comparison/eval_chain.py b/libs/langchain/langchain/evaluation/comparison/eval_chain.py
index a0e3acfc9d4..0825417ea9c 100644
--- a/libs/langchain/langchain/evaluation/comparison/eval_chain.py
+++ b/libs/langchain/langchain/evaluation/comparison/eval_chain.py
@@ -244,8 +244,7 @@ class PairwiseStringEvalChain(PairwiseStringEvaluator, LLMEvalChain, LLMChain):
             PairwiseStringEvalChain: The initialized PairwiseStringEvalChain.
 
         Raises:
-            ValueError: If the input variables are not as expected or if the LLM is not
-                a chat model.
+            ValueError: If the input variables are not as expected.
 
         """
         if not (