Docs: note that log_selector only applies to mainlog

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 86f8dda630ae8cc444c46777ea86236d1310a9d1..d2d40728b3610abd80effa54112450ebdf660647 100644 (file)
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -39011,7 +39011,7 @@ logging and the message has a DKIM signature header.
 .section "Reducing or increasing what is logged" "SECTlogselector"
 .cindex "log" "selectors"
 By setting the &%log_selector%& global option, you can disable some of Exim's
-default logging, or you can request additional logging. The value of
+default logging to the main log, or you can request additional logging. The value of
 &%log_selector%& is made up of names preceded by plus or minus characters. For
 example:
 .code