runtime(doc): Clarify use of "noselect" in 'completeopt'

closes: #18452

Co-authored-by: Tomasz N <przepompownia@users.noreply.github.com>
Signed-off-by: Girish Palya <girishji@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 6d2b3242db3c0f221772e6ddaa9893f422cade46..48e90130521f7e324b49e53feccbbad7aa9d95c0 100644 (file)
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -2292,7 +2292,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 
           noselect Same as "noinsert", except that no menu item is
                    pre-selected.  If both "noinsert" and "noselect" are
-                   present, "noselect" has precedence.
+                   present, "noselect" takes precedence.  This options is
+                   enabled automatically when 'autocomplete' is on, unless
+                   "preinsert" is also enabled.
 
           nosort   Disable sorting of completion candidates based on fuzzy
                    scores when "fuzzy" is enabled.  Candidates will appear