chore: fix typo

Author: m13t

README.md

@@ -64,7 +64,7 @@ No modules.
 | <a name="input_deployment_account_ids"></a> [deployment\_account\_ids](#input\_deployment\_account\_ids) | List of account IDs in which to deploy the remote audit access role | `list(string)` | n/a | yes |
 | <a name="input_external_id"></a> [external\_id](#input\_external\_id) | External ID should be a string of cryptographically safe random characters | `string` | n/a | yes |
 | <a name="input_appvia_role_arn"></a> [appvia\_role\_arn](#input\_appvia\_role\_arn) | Allows specifying a non-standard IAM role. Only set this if asked to do so by Appvia | `string` | `"arn:aws:iam::730335310409:role/aws-reserved/sso.amazonaws.com/eu-west-2/AWSReservedSSO_WAFSupport_19c9bc61106389c3"` | no |
-| <a name="input_expiry_days"></a> [expiry\_days](#input\_expiry\_days) | The number of days the role is avilable before access will be denied | `number` | `14` | no |
+| <a name="input_expiry_days"></a> [expiry\_days](#input\_expiry\_days) | The number of days the role is available before access will be denied | `number` | `14` | no |
 
 ## Outputs