docs: expand the usage of NC_DISABLE_CACHE

Signed-off-by: Naveen MR <oof1lab@gmail.com>

packages/noco-docs/content/en/getting-started/installation.md

@@ -206,7 +206,7 @@ By default, SQLite is used for storing meta data. However, you can specify your
 | NC_SENTRY_DSN                      | No        | For Sentry monitoring                                                                                                   |                                                                                                |   |
 | NC_DISABLE_ERR_REPORT              | No        | Disable error reporting                                                                                                 |                                                                                                |   |
 | NC_REDIS_URL                       | No        | Custom Redis URL. Example: `redis://:authpassword@127.0.0.1:6380/4`                                                     | Meta data will be stored in memory                                                             |   |
-| NC_DISABLE_CACHE                   | No        | If it is set to `true`, then meta data will not be cached.                                                              | `false`                                                                                        |   |
+| NC_DISABLE_CACHE                   | No        | To be used only while debugging. On setting this to `true` - meta data be fetched from db instead of redis/cache.           | `false`                                                                                    |   |
 
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