diff --git a/src/finam/sdk/adapter.py b/src/finam/sdk/adapter.py
index ccc9ce1f529167a9614266a64ae134f18bfbac58..0d535dc4d4f3ed0752b87a5369493ce7d40479a6 100644
--- a/src/finam/sdk/adapter.py
+++ b/src/finam/sdk/adapter.py
@@ -61,6 +61,7 @@ class Adapter(IAdapter, Input, Output, ABC):
     @final
     @property
     def in_info(self):
+        """Info from connected source."""
         return self._input_info
 
     @property