diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9d41b15f12c..f918779ebd7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 
 ### Bugfixes
 * **Alerting**: Add alert message to webhook notifications [#6807](https://github.com/grafana/grafana/issues/6807)
+* **Alerting**: Fixes a bug where avg() reducer treated null as zero. [6c9cf87](https://github.com/grafana/grafana/commit/6c9cf87080e52966846a48d04209d90c166ca42e)
 * **PNG Rendering**: Fix for server side rendering when using non default http addr bind and domain setting [#6813](https://github.com/grafana/grafana/issues/6813)
 * **PNG Rendering**: Fix for server side rendering when setting enforce_domain to true [#6769](https://github.com/grafana/grafana/issues/6769)
 * **Webhooks**: Add content type json to outgoing webhooks [#6822](https://github.com/grafana/grafana/issues/6822)
diff --git a/docs/sources/reference/export_import.md b/docs/sources/reference/export_import.md
index 7430f4891a6..bc05795c030 100644
--- a/docs/sources/reference/export_import.md
+++ b/docs/sources/reference/export_import.md
@@ -9,7 +9,7 @@ weight = 8
 
 # Export and Import
 
-Grafana Dashboads can easily be exported and imported, either from the UI or from the HTTP API.
+Grafana Dashboards can easily be exported and imported, either from the UI or from the HTTP API.
 
 ## Exporting a dashboard
 
@@ -22,9 +22,9 @@ The export feature is accessed from the share menu.
 ### Making a dashboard portable
 
 If you want to export a dashboard for others to use then it could be a good idea to
-add template variables for things like a metric prefix (use contant variable) and server name.
+add template variables for things like a metric prefix (use constant variable) and server name.
 
-A template varible of the type `Constant` will automatically be hidden in
+A template variable of the type `Constant` will automatically be hidden in
 the dashboard, and will also be added as an required input when the dashboard is imported.
 
 ## Importing a dashboard
@@ -43,7 +43,7 @@ data source you want the dashboard to use and specify any metric prefixes (if th
 
 ## Discover dashboards on Grafana.net
 
-Find dashboads for common server applications at [Grafana.net/dashboards](https://grafana.net/dashboards).
+Find dashboards for common server applications at [Grafana.net/dashboards](https://grafana.net/dashboards).
 
 <img src="/img/docs/v31/gnet_dashboards_list.png">
 
diff --git a/docs/sources/reference/singlestat.md b/docs/sources/reference/singlestat.md
index 1fb0c254c01..ed0a956b7eb 100644
--- a/docs/sources/reference/singlestat.md
+++ b/docs/sources/reference/singlestat.md
@@ -1,5 +1,5 @@
 +++
-title = "Singletat Panel"
+title = "Singlestat Panel"
 keywords = ["grafana", "dashboard", "documentation", "panels", "singlestat"]
 type = "docs"
 [menu.docs]
diff --git a/pkg/api/api.go b/pkg/api/api.go
index a1668590ad7..90e0e1bdfa8 100644
--- a/pkg/api/api.go
+++ b/pkg/api/api.go
@@ -196,7 +196,7 @@ func Register(r *macaron.Macaron) {
 		r.Group("/datasources", func() {
 			r.Get("/", GetDataSources)
 			r.Post("/", quota("data_source"), bind(m.AddDataSourceCommand{}), AddDataSource)
-			r.Put("/:id", bind(m.UpdateDataSourceCommand{}), UpdateDataSource)
+			r.Put("/:id", bind(m.UpdateDataSourceCommand{}), wrap(UpdateDataSource))
 			r.Delete("/:id", DeleteDataSource)
 			r.Get("/:id", wrap(GetDataSourceById))
 			r.Get("/name/:name", wrap(GetDataSourceByName))
diff --git a/pkg/api/datasources.go b/pkg/api/datasources.go
index a7254eeec6c..f0c022c1622 100644
--- a/pkg/api/datasources.go
+++ b/pkg/api/datasources.go
@@ -117,7 +117,7 @@ func UpdateDataSource(c *middleware.Context, cmd m.UpdateDataSourceCommand) Resp
 		return ApiError(500, "Failed to update datasource", err)
 	}
 
-	return Json(200, "Datasource updated")
+	return Json(200, util.DynMap{"message": "Datasource updated"})
 }
 
 func fillWithSecureJsonData(cmd *m.UpdateDataSourceCommand) error {