Update upgrade.mdx (#1004)

Removed a Typo

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Author: mibali

docs/admin/deploy/docker-compose/upgrade.mdx

@@ -93,7 +93,7 @@ To perform a multi-version upgrade via migrators [upgrade](/admin/updates/migrat
     > *Note: you may add the `--dry-run` flag to the `command:` to test things out before altering the dbs*
     3. Run migrator with `docker-compose up migrator` 
 
-    - Migrator `depends_on:` will ensure the databases are ready before attempting to run the migrator. Ensuring that database entry point scripts are run before the migrator attempts to connect to the databases. For users upgrading from a version earlier than `5.10.0`, a PostgreSQL version is required and will be performed automatically here. For more details, see [Upgradeing PostgreSQL](/admin/postgresql#upgrading-postgresql).
+    - Migrator `depends_on:` will ensure the databases are ready before attempting to run the migrator. Ensuring that database entry point scripts are run before the migrator attempts to connect to the databases. For users upgrading from a version earlier than `5.10.0`, a PostgreSQL version is required and will be performed automatically here. For more details, see [Upgrading PostgreSQL](/admin/postgresql#upgrading-postgresql).
 
     **Example:**
     ```sh