[nongnu] elpa/keycast fe416461b1 07/31: keycast-mode: Add usage hint to error message

[ELPA Syncer]

branch: elpa/keycast
commit fe416461b15543138ad4fef8ef5e2c364a6b5b2c
Author: Jonas Bernoulli <jonas@bernoul.li>
Commit: Jonas Bernoulli <jonas@bernoul.li>

    keycast-mode: Add usage hint to error message
    
    Closes #7.
---
 keycast.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/keycast.el b/keycast.el
index e96532a492..368a94265a 100644
--- a/keycast.el
+++ b/keycast.el
@@ -173,8 +173,10 @@ instead."
       (let ((cons (member keycast-insert-after mode-line-format)))
         (unless cons
           (setq keycast-mode nil)
-          (user-error "Cannot turn on %s.  %s not found in %s"
-                      'keycast-mode keycast-insert-after 'mode-line-format))
+          (user-error
+           "Cannot turn on %s.  %s not found in %s.  Try customizing %s."
+           'keycast-mode keycast-insert-after 'mode-line-format
+           'keycast-insert-after))
         (cond (keycast-remove-tail-elements
                (setq keycast--removed-tail (cdr cons))
                (setcdr cons (list 'mode-line-keycast)))