patch 9.0.0031: <cmod> of user command does not have correct verbose value

Problem:    <cmod> of user command does not have correct verbose value.
Solution:   Use the value from the command modifier. (closes #10651)
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index ee9a613..5efc507 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1721,10 +1721,10 @@
 		nothing. Supported modifiers are |:aboveleft|, |:belowright|,
 		|:botright|, |:browse|, |:confirm|, |:hide|, |:keepalt|,
 		|:keepjumps|, |:keepmarks|, |:keeppatterns|, |:leftabove|,
-		|:lockmarks|, |:noswapfile| |:rightbelow|, |:silent|, |:tab|,
-		|:topleft|, |:verbose|, and |:vertical|.
-		Note that these are not yet supported: |:noautocmd|,
-		|:sandbox| and |:unsilent|.
+		|:lockmarks|, |:noautocmd|, |:noswapfile| |:rightbelow|,
+		|:sandbox|, |:silent|, |:tab|, |:topleft|, |:unsilent|,
+		|:verbose|, and |:vertical|.
+		Note that |:filter| is not supported.
 		Examples: >
 		    command! -nargs=+ -complete=file MyEdit
 				\ for f in expand(<q-args>, 0, 1) |