diff --git a/docs/sources/plugins/datasources.md b/docs/sources/plugins/datasources.md
index dbd0061cbdb..9f04d11cdfc 100644
--- a/docs/sources/plugins/datasources.md
+++ b/docs/sources/plugins/datasources.md
@@ -37,7 +37,7 @@ The Datasource should contain the following functions.
 ```
 query(options) //used by panels to get data
 testDatasource() //used by datasource configuration page to make sure the connection is working
-annotationsQuery(options) // used dashboards to get annotations
+annotationsQuery(options) // used by dashboards to get annotations
 metricFindQuery(options) // used by query editor to get metric suggestions.
 ```