Add useful doc reference.

diff --git a/Documentation/user/basic-notation.itely b/Documentation/user/basic-notation.itely
index 1a765e23f169448196fca932b6a7ff6a9a184c3b..0488b7ce8d69a129f364114eceb109dfe24070e7 100644 (file)
--- a/Documentation/user/basic-notation.itely
+++ b/Documentation/user/basic-notation.itely
@@ -1371,7 +1371,8 @@ LilyPond inserts beams automatically
 
 When these automatic decisions are not good enough, beaming can be
 entered explicitly.  It is also possible to define beaming patterns
-that differ from the defaults.
+that differ from the defaults.  See @ref{Setting automatic beam behavior}
+for details.
 
 Individual notes may be marked with @code{\noBeam}, to prevent them
 from being beamed