doc: Fix typo in function prototype

diff --git a/doc/src/sgml/indexam.sgml b/doc/src/sgml/indexam.sgml
index e54d54994e79f7f54707885a7c0fb2cbf3d33e28..6d489bff83286eccb900e74795c6ff3be515a5f8 100644 (file)
--- a/doc/src/sgml/indexam.sgml
+++ b/doc/src/sgml/indexam.sgml
@@ -573,7 +573,7 @@ amrescan (IndexScanDesc scan,
 
   
 
-boolean
+bool
 amgettuple (IndexScanDesc scan,
             ScanDirection direction);