diff --git a/README-zh.md b/README-zh.md
index 2ed0b276..931ec16a 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -352,7 +352,8 @@ class QueryParam:
 
     user_prompt: str | None = None
     """User-provided prompt for the query.
-    If proivded, this will be use instead of the default vaulue from prompt template.
+    Addition instructions for LLM. If provided, this will be inject into the prompt template.
+    It's purpose is the let user customize the way LLM generate the response.
     """
 
     enable_rerank: bool = True
diff --git a/README.md b/README.md
index 720637de..9bf8f04b 100644
--- a/README.md
+++ b/README.md
@@ -353,7 +353,8 @@ class QueryParam:
 
     user_prompt: str | None = None
     """User-provided prompt for the query.
-    If proivded, this will be use instead of the default vaulue from prompt template.
+    Addition instructions for LLM. If provided, this will be inject into the prompt template.
+    It's purpose is the let user customize the way LLM generate the response.
     """
 
     enable_rerank: bool = True
diff --git a/lightrag/base.py b/lightrag/base.py
index a6420069..b9ebeca8 100644
--- a/lightrag/base.py
+++ b/lightrag/base.py
@@ -154,7 +154,8 @@ class QueryParam:
 
     user_prompt: str | None = None
     """User-provided prompt for the query.
-    If proivded, this will be use instead of the default vaulue from prompt template.
+    Addition instructions for LLM. If provided, this will be inject into the prompt template.
+    It's purpose is the let user customize the way LLM generate the response.
     """
 
     enable_rerank: bool = os.getenv("RERANK_BY_DEFAULT", "true").lower() == "true"