diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 50f0b258c0..7e6a2b0ca9 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2009-09-23  Joel Brobecker  <brobecker@adacore.com>
+
+	* observer.texi (solib_unloaded): Document explicitly the fact that
+	this observer is called before the associated symbols are unloaded.
+
 2009-09-19  Vladimir Prus  <vladimir@codesourcery.com>
 
 	* gdb.texinfo (GDB/MI Stack Manipulation): Document
diff --git a/gdb/doc/observer.texi b/gdb/doc/observer.texi
index 4984f31813..77d6b47ce5 100644
--- a/gdb/doc/observer.texi
+++ b/gdb/doc/observer.texi
@@ -122,6 +122,8 @@ haven't been loaded yet.
 
 @deftypefun void solib_unloaded (struct so_list *@var{solib})
 The shared library specified by @var{solib} has been unloaded.
+Note that when @value{GDBN} calls this observer, the library's
+symbols have not been unloaded yet, and thus are still available.
 @end deftypefun
 
 @deftypefun void new_objfile (struct objfile *@var{objfile})