Update pages/object-storage/troubleshooting/error-messages-access.mdx

Co-authored-by: Jessica <[email protected]>

Author: ofranc

pages/object-storage/troubleshooting/error-messages-access.mdx

@@ -38,7 +38,7 @@ If you encounter one or several of the error messages above:
 
 - Check for issues with your API key by following [this procedure](/object-storage/troubleshooting/api-key-does-not-work/).
 
-- make sure that you have the `ObjectStorageFullAccess` [IAM permission](/iam/concepts/#permission).
+- Make sure that you have the `ObjectStorageFullAccess` [IAM permission](/iam/concepts/#permission).
 
 - make sure that there is no [bucket policy](/object-storage/api-cli/bucket-policy/) preventing the application to access your bucket.