bad quotes

Author: nleach999

README.md

@@ -205,7 +205,7 @@ The following runtime environment variables are required to configure the system
 |`PROXY`| N/A | Set to the URL for an unauthenticated proxy. All http/s traffic will route through the specified proxy.|
 |`UPDATE_DELAY_SECONDS`| 43200 | The number of seconds to delay between checking for updates in the schedule.|
 |`POLICY_<name>`|N/A| Define a custom policy with `<name>`.  See [Policy Definitions](#policy-definitions) for a description.  This must be a valid [crontab](https://crontab.guru/) string.|
-|'TIMEZONE'| Etc/UTC | The [zoneinfo](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) string for the timezone.  If the zoneinfo string is invalid or not set, the timezone will default to UTC.|
+|`TIMEZONE`| Etc/UTC | The [zoneinfo](https://en.wikipedia.org/wiki/List_of_tz_database_time_zones) string for the timezone.  If the zoneinfo string is invalid or not set, the timezone will default to UTC.|