doc: Fix typo

Author: Fabien COELHO 

diff --git a/doc/src/sgml/ref/pgbench.sgml b/doc/src/sgml/ref/pgbench.sgml
index 64b043b48a1344584367726545b9bb3fd72343c7..03e1212d50a780c786caf2917aeea6719abef951 100644 (file)
--- a/doc/src/sgml/ref/pgbench.sgml
+++ b/doc/src/sgml/ref/pgbench.sgml
@@ -1045,7 +1045,7 @@ f(x) = exp(-parameter * (x - min) / (max - min + 1)) / (1 - exp(-parameter))
 
       Then value i between min and
       max inclusive is drawn with probability:
-      f(x) - f(x + 1).
+      f(i) - f(i + 1).