diff --git a/README.md b/README.md
index 097deb2..4d83b01 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Create a single field to hold references to Users and Nodes. Or Terms and Nodes,
 Entity reference (in core)
 
 ##Known problems
-Please use the [issue queue](https://www.drupal.org/project/issues/dynamic_entity_reference) to report problems
+Please use the [issue queue](https://www.drupal.org/project/issues/dynamic_entity_reference) to report problems.
 
 ##Credits
 Development being undertaken by [@larowlan](https://www.drupal.org/u/larowlan) and [@jibran](https://www.drupal.org/u/jibran) of [PreviousNext](https://www.drupal.org/marketplace/previousnext)