diff --git a/libs/langchain/langchain/agents/format_scratchpad/tools.py b/libs/langchain/langchain/agents/format_scratchpad/tools.py
index 4fbf16d8a34..82cff2a7bd1 100644
--- a/libs/langchain/langchain/agents/format_scratchpad/tools.py
+++ b/libs/langchain/langchain/agents/format_scratchpad/tools.py
@@ -14,12 +14,12 @@ from langchain.agents.output_parsers.tools import ToolAgentAction
 def _create_tool_message(
     agent_action: ToolAgentAction, observation: str
 ) -> ToolMessage:
-    """Convert agent action and observation into a function message.
+    """Convert agent action and observation into a tool message.
     Args:
         agent_action: the tool invocation request from the agent
         observation: the result of the tool invocation
     Returns:
-        FunctionMessage that corresponds to the original tool invocation
+        ToolMessage that corresponds to the original tool invocation
     """
     if not isinstance(observation, str):
         try:
@@ -38,7 +38,7 @@ def _create_tool_message(
 def format_to_tool_messages(
     intermediate_steps: Sequence[Tuple[AgentAction, str]],
 ) -> List[BaseMessage]:
-    """Convert (AgentAction, tool output) tuples into FunctionMessages.
+    """Convert (AgentAction, tool output) tuples into ToolMessages.
 
     Args:
         intermediate_steps: Steps the LLM has taken to date, along with observations