diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index a5328259e01..96c04091973 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,7 @@
+2019-09-10  Tom Tromey  <tromey@adacore.com>
+
+	* gdb.texinfo (Index Files): Update Ada text.
+
 2019-08-27  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* gdb.texinfo (Symbols): Add information about the -n flag to
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 53b7de91e47..79824a0226a 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -20936,8 +20936,8 @@ $ gdb -iex "set use-deprecated-index-sections on" <program>
 @end smallexample
 
 There are currently some limitation on indices.  They only work when
-for DWARF debugging information, not stabs.  And, they do not
-currently work for programs using Ada.
+using DWARF debugging information, not stabs.  And, only the
+@code{-dwarf-5} index works for programs using Ada.
 
 @subsection Automatic symbol index cache