diff --git a/pyqtgraph/graphicsItems/ErrorBarItem.py b/pyqtgraph/graphicsItems/ErrorBarItem.py
index d7cb06db..986c5140 100644
--- a/pyqtgraph/graphicsItems/ErrorBarItem.py
+++ b/pyqtgraph/graphicsItems/ErrorBarItem.py
@@ -41,6 +41,8 @@ class ErrorBarItem(GraphicsObject):
         * If width is specified, it overrides left and right.
         * beam specifies the width of the beam at the end of each bar.
         * pen may be any single argument accepted by pg.mkPen().
+        
+        This method was added in version 0.9.9. For prior versions, use setOpts.
         """
         self.opts.update(opts)
         self.path = None