small naming fixes

configs/production.ini

@@ -754,7 +754,7 b' ssh.enable_ui_key_generator = true'
 #appenlight.log_namespace_blacklist =
 
 ; Statsd client config, this is used to send metrics to statsd
-; We recommend setting statsd_exported and scrape them using Promethues
+; We recommend setting statsd_exported and scrape them using Prometheus
 #statsd.enabled = false
 #statsd.statsd_host = 0.0.0.0
 #statsd.statsd_port = 8125

rhodecode/config/middleware.py

@@ -548,12 +548,12 b' def sanitize_settings_and_apply_defaults'
     settings_maker.make_setting('appenlight', False, parser='bool')
 
     temp_store = tempfile.gettempdir()
-    default_cache_dir = os.path.join(temp_store, 'rc_cache')
+    tmp_cache_dir = os.path.join(temp_store, 'rc_cache')
 
     # save default, cache dir, and use it for all backends later.
     default_cache_dir = settings_maker.make_setting(
         'cache_dir',
-        default=default_cache_dir, default_when_empty=True,
+        default=tmp_cache_dir, default_when_empty=True,
         parser='dir:ensured')
 
     # exception store cache