doc: Fix typo in function prototype

diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml
index 1286e7e62f84aaccdb0d5ffe3c8deba014b4c510..20f29818d339f0d716c263223e73db092a6d4b1c 100644 (file)
--- a/doc/src/sgml/indexam.sgml
+++ b/doc/src/sgml/indexam.sgml
@@ -511,7 +511,7 @@ amrescan (IndexScanDesc scan,
 
   <para>
 <programlisting>
-boolean
+bool
 amgettuple (IndexScanDesc scan,
             ScanDirection direction);
 </programlisting>