Fix copy-and-paste mistake in error message

Introduced in commit a68159ff2b3.

diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
index e454db4c020d22891d72c4d1921879f009d2d80c..62f1185859f51f572347e119af2f1d337896244f 100644 (file)
--- a/src/backend/storage/file/fd.c
+++ b/src/backend/storage/file/fd.c
@@ -4026,7 +4026,7 @@ check_debug_io_direct(char **newval, void **extra, GucSource source)
 #if BLCKSZ < PG_IO_ALIGN_SIZE
        if (result && (flags & IO_DIRECT_DATA))
        {
-               GUC_check_errdetail("\"%s\" is not supported for WAL because %s is too small.",
+               GUC_check_errdetail("\"%s\" is not supported for data because %s is too small.",
                                                        "debug_io_direct", "BLCKSZ");
                result = false;
        }