corrected spelling l:914

Author: aRkedos

tmuxp/cli.py

@@ -911,7 +911,7 @@ def command_convert(confirmed, config):
             configparser.import_config(config)
             newfile = config.replace(ext, '.yaml')
             newconfig = configparser.export('yaml', indent=2, default_flow_style=False)
-            if click.confirm('convert config to %s?' % newfile):
+            if click.confirm('Save config to %s?' % newfile):
                 buf = open(newfile, 'w')
                 buf.write(newconfig)
                 buf.close()