Fix grammar in documentation related to checkpoint_flush_after

Reported-by: Christopher Jones

diff --git a/doc/src/sgml/wal.sgml b/doc/src/sgml/wal.sgml
index 940c37b21a30e86a70b15023d25639c947a113f3..c43f056924704eda1e67865d9ed6f419ee50e892 100644 (file)
--- a/doc/src/sgml/wal.sgml
+++ b/doc/src/sgml/wal.sgml
@@ -551,8 +551,8 @@
    flushed to disk after a configurable number of bytes.  Otherwise, these
    pages may be kept in the OS's page cache, inducing a stall when
    fsync is issued at the end of a checkpoint.  This setting will
-   often help to reduce transaction latency, but it also can an adverse effect
-   on performance; particularly for workloads that are bigger than
+   often help to reduce transaction latency, but it also can have an adverse
+   effect on performance; particularly for workloads that are bigger than
    , but smaller than the OS's page cache.