diff --git a/docs/readthedocs/source/doc/LLM/index.rst b/docs/readthedocs/source/doc/LLM/index.rst
index 383ada99..ca9e7491 100644
--- a/docs/readthedocs/source/doc/LLM/index.rst
+++ b/docs/readthedocs/source/doc/LLM/index.rst
@@ -14,7 +14,7 @@ BigDL-LLM is a library for running LLM (Large Language Models) on your Intel lap
         **API Document**
         ^^^
 
-        API Document provides detailed description of LLM APIs.
+        API Document provides detailed description of BigDL-LLM APIs.
 
         +++
 
diff --git a/docs/readthedocs/source/doc/PythonAPI/LLM/index.rst b/docs/readthedocs/source/doc/PythonAPI/LLM/index.rst
index 599645cf..e70ab862 100644
--- a/docs/readthedocs/source/doc/PythonAPI/LLM/index.rst
+++ b/docs/readthedocs/source/doc/PythonAPI/LLM/index.rst
@@ -1,4 +1,4 @@
-LLM API
+BigDL-LLM API
 ==================
 
 .. toctree::
diff --git a/docs/readthedocs/source/doc/PythonAPI/LLM/langchain.rst b/docs/readthedocs/source/doc/PythonAPI/LLM/langchain.rst
index 047a54fb..ac6eb250 100644
--- a/docs/readthedocs/source/doc/PythonAPI/LLM/langchain.rst
+++ b/docs/readthedocs/source/doc/PythonAPI/LLM/langchain.rst
@@ -1,4 +1,4 @@
-LLM LangChain API
+BigDL-LLM LangChain API
 =====================
 
 llm.langchain.embeddings.bigdlllm
diff --git a/docs/readthedocs/source/doc/PythonAPI/LLM/transformers.rst b/docs/readthedocs/source/doc/PythonAPI/LLM/transformers.rst
index 58a08162..10438632 100644
--- a/docs/readthedocs/source/doc/PythonAPI/LLM/transformers.rst
+++ b/docs/readthedocs/source/doc/PythonAPI/LLM/transformers.rst
@@ -1,4 +1,4 @@
-LLM Transformers API
+BigDL-LLM Transformers API
 =====================
 
 llm.transformers.model