diff --git a/IPython/terminal/interactiveshell.py b/IPython/terminal/interactiveshell.py
index 9f9ef77..6c1d8c5 100644
--- a/IPython/terminal/interactiveshell.py
+++ b/IPython/terminal/interactiveshell.py
@@ -126,7 +126,7 @@ class TerminalInteractiveShell(InteractiveShell):
     ).tag(config=True)
 
     mouse_support = Bool(False,
-        help="Enable mouse support in the prompt"
+        help="Enable mouse support in the prompt\n(Note: prevents selecting text with the mouse)"
     ).tag(config=True)
 
     highlighting_style = Union([Unicode('legacy'), Type(klass=Style)],