diff --git a/backend/jottacloud/jottacloud.go b/backend/jottacloud/jottacloud.go
index f27c5fc6d..80460767e 100644
--- a/backend/jottacloud/jottacloud.go
+++ b/backend/jottacloud/jottacloud.go
@@ -666,9 +666,12 @@ func (f *Fs) About() (*fs.Usage, error) {
 	}
 
 	usage := &fs.Usage{
-		Total: fs.NewUsageValue(info.Capacity),
 		Used:  fs.NewUsageValue(info.Usage),
 	}
+	if info.Capacity > 0 {
+		usage.Total = fs.NewUsageValue(info.Capacity)
+		usage.Free = fs.NewUsageValue(info.Capacity - info.Usage)
+	}
 	return usage, nil
 }
 
diff --git a/docs/content/jottacloud.md b/docs/content/jottacloud.md
index 85c832c60..b7064dee2 100644
--- a/docs/content/jottacloud.md
+++ b/docs/content/jottacloud.md
@@ -105,6 +105,12 @@ Any files you delete with rclone will end up in the trash. Due to a lack of API
 
 Jottacloud supports file versioning. When rclone uploads a new version of a file it creates a new version of it. Currently rclone only supports retrieving the current version but older versions can be accessed via the Jottacloud Website.
 
+### Quota information ###
+
+To view your current quota you can use the `rclone about remote:`
+command which will display your usage limit (unless it is unlimited)
+and the current usage.
+
 ### Limitations ###
 
 Note that Jottacloud is case insensitive so you can't have a file called