Update entity description

Author: LLuque-twilio

src/unify/data-graph/index.md

@@ -178,7 +178,7 @@ The first step in creating a Data Graph is to define your entities. An entity co
 | Parameters                                  | Definition                                                                                                                                                                                               |
 | ------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `entity`                                    | An immutable slug for the entity, and will be treated as a delete if you make changes. The slug must be in all lowercase, and supports dashes or underscores (e.g `account-entity` or `account_entity`). |
-| `description` (*Optional*)                  | An optional descriptor used to add additional context to the entity.                                                                                                                                     |
+| `description` (*Optional*)                  | An optional descriptor used to add additional context to the entity (E.g. table grain, cadence at which the table/view is refreshed, etc).                                                                                                                                        |
 | `name`                                      | A label displayed throughout your Segment space for Linked Events, Linked Audiences, etc. This name can be modified at any time.                                                                         |
 | `table_ref`                                 | Defines the fully qualified table reference: `[database name].[schema name].[table name]`. Segment flexibly supports tables, views and materialized views.                                               |
 | `primary_key`                               | The unique identifier for the given table. Must be a column with unique values per row.                                                                                                                  |