diff --git a/internal/shell/shell.go b/internal/shell/shell.go
index e5a54f01c403ae1b8de681616c5d693bc842ac14..ced8da26ed4e837b08e66152e9aafb2cc029c0d1 100644
--- a/internal/shell/shell.go
+++ b/internal/shell/shell.go
@@ -227,7 +227,7 @@ func (s *Shell) blockHandler() func(next interp.ExecHandlerFunc) interp.ExecHand
 
 			for _, blockFunc := range s.blockFuncs {
 				if blockFunc(args) {
-					return fmt.Errorf("command is not allowed for security reasons: %s", strings.Join(args, " "))
+					return fmt.Errorf("command is not allowed for security reasons: %q", args[0])
 				}
 			}
 
diff --git a/internal/tui/components/chat/editor/editor.go b/internal/tui/components/chat/editor/editor.go
index 8f7c43c76a965539db3c3d6de4f46377c8a10a5c..ba832b415133305fccbefa37da6b749405feb2c6 100644
--- a/internal/tui/components/chat/editor/editor.go
+++ b/internal/tui/components/chat/editor/editor.go
@@ -39,6 +39,9 @@ var (
 	errClipboardUnknownFormat       = fmt.Errorf("unknown clipboard format")
 )
 
+// If pasted text has more than 10 newlines, treat it as a file attachment.
+const pasteLinesThreshold = 10
+
 type Editor interface {
 	util.Model
 	layout.Sizeable
@@ -239,8 +242,7 @@ func (m *editorCmp) Update(msg tea.Msg) (util.Model, tea.Cmd) {
 		m.textarea.SetValue(msg.Text)
 		m.textarea.MoveToEnd()
 	case tea.PasteMsg:
-		// If pasted text has more than 2 newlines, treat it as a file attachment.
-		if strings.Count(msg.Content, "\n") > 2 {
+		if strings.Count(msg.Content, "\n") > pasteLinesThreshold {
 			content := []byte(msg.Content)
 			if len(content) > maxAttachmentSize {
 				return m, util.ReportWarn("Paste is too big (>5mb)")