doc: Fix typo in function prototype

diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml
index 320f50f03c00b293526966196ba3daaee53ac954..a7828cbed0333dc187f50f49daebf2c05a988e35 100644 (file)
--- a/doc/src/sgml/indexam.sgml
+++ b/doc/src/sgml/indexam.sgml
@@ -528,7 +528,7 @@ amrescan (IndexScanDesc scan,
 
   <para>
 <programlisting>
-boolean
+bool
 amgettuple (IndexScanDesc scan,
             ScanDirection direction);
 </programlisting>