diff --git a/lib/matplotlib/offsetbox.py b/lib/matplotlib/offsetbox.py
index d3e3302472d2..8d89e3abcfc2 100644
--- a/lib/matplotlib/offsetbox.py
+++ b/lib/matplotlib/offsetbox.py
@@ -1233,8 +1233,9 @@ def __init__(self, s, loc, pad=0.4, borderpad=0.5, prop=None, **kwargs):
         borderpad : float, optional
             Pad between the frame and the axes (or *bbox_to_anchor*).
 
-        prop : `matplotlib.font_manager.FontProperties`
-            Font properties.
+        prop : dictionary, optional, default: None
+            Dictionary of keyword parameters to be passed to the
+            `~matplotlib.text.Text` instance contained inside AnchoredText.
 
         Notes
         -----