diff --git a/volatility/framework/interfaces/renderers.py b/volatility/framework/interfaces/renderers.py
index 47d29c4ed..4e9e80699 100644
--- a/volatility/framework/interfaces/renderers.py
+++ b/volatility/framework/interfaces/renderers.py
@@ -144,7 +144,7 @@ class TreeGrid(object, metaclass = ABCMeta):
 
         Args:
             columns: A list of column tuples made up of (name, type).
-            generator: A generator that populates the tree/grid structure
+            generator: An iterable containing row for a tree grid, each row contains a indent level followed by the values for each column in order.
         """
 
     @staticmethod
diff --git a/volatility/framework/renderers/__init__.py b/volatility/framework/renderers/__init__.py
index da16d6b65..deca6dd8c 100644
--- a/volatility/framework/renderers/__init__.py
+++ b/volatility/framework/renderers/__init__.py
@@ -149,7 +149,7 @@ class TreeGrid(interfaces.renderers.TreeGrid):
 
         Args:
             columns: A list of column tuples made up of (name, type).
-            generator: A generator that populates the tree/grid structure
+            generator: An iterable containing row for a tree grid, each row contains a indent level followed by the values for each column in order.
         """
         self._populated = False
         self._row_count = 0