src/aubio.h: talk about unstable

diff --git a/src/aubio.h b/src/aubio.h
index a8596efea66fb6ca22b297123dcb7997da0573da..0e23419f320981150947ce608c0d2682a7d2a53f 100644 (file)
--- a/src/aubio.h
+++ b/src/aubio.h
@@ -139,12 +139,19 @@
 
 /** @file aubio.h Global aubio include file.
 
-  Programmers just need to include this file as:
+  You will want to include this file as:
 
   @code
     #include <aubio/aubio.h>
   @endcode
 
+  To access headers with unstable prototypes, use:
+
+  @code
+    #define AUBIO_UNSTABLE 1
+    #include <aubio/aubio.h>
+  @endcode
+
  */
 
 #ifdef __cplusplus