diff --git a/mesa/visualization/mpl_space_drawing.py b/mesa/visualization/mpl_space_drawing.py
index 9363b75b920..83a1b5a7f37 100644
--- a/mesa/visualization/mpl_space_drawing.py
+++ b/mesa/visualization/mpl_space_drawing.py
@@ -205,7 +205,7 @@ def draw_space(
         Returns the Axes object with the plot drawn onto it.
 
     ``agent_portrayal`` is called with an agent and should return a AgentPortrayalStyle. Valid fields in this object are "color",
-    "size", "marker", "zorder", alpha, linewidths, and edgecolors. Other field are ignored and will result in a user warning.
+    "size", "marker", "zorder", "alpha", "linewidths", and "edgecolors". Other field are ignored and will result in a user warning.
 
     """
     if ax is None:
diff --git a/tests/test_components_matplotlib.py b/tests/test_components_matplotlib.py
index 4700108a00f..0e277a12dfc 100644
--- a/tests/test_components_matplotlib.py
+++ b/tests/test_components_matplotlib.py
@@ -31,12 +31,7 @@
 
 
 def agent_portrayal(agent):
-    """Simple portrayal of an agent.
-
-    Args:
-        agent (Agent): The agent to portray
-
-    """
+    """Return a simple AgentPortrayalStyle for testing matplotlib drawing."""
     return AgentPortrayalStyle(
         size=10,
         color="tab:blue",