diff --git a/draft-ietf-core-coap-pubsub.md b/draft-ietf-core-coap-pubsub.md
index 9f5fdf2..7a58b2c 100644
--- a/draft-ietf-core-coap-pubsub.md
+++ b/draft-ietf-core-coap-pubsub.md
@@ -175,7 +175,7 @@ A topic-collection resource can have topic resources as its child resources, wit
 
 # Pub-Sub Topics {#topics}
 
-The configuration side of a "publish/subscribe broker" consists of a collection of topics. These topics as well as the collection itself are exposed by a CoAP server as resources (see {{fig-topic}}). Each topic is associated with: a topic resource and a a topic-data resource. The topic resource is used by a client creating or administering a topic. The topic-data resource is used by the publishers and the subscribers to a topic.
+The configuration side of a "publish/subscribe broker" consists of a collection of topics. These topics as well as the collection itself are exposed by a CoAP server as resources (see {{fig-topic}}). Each topic is associated with a topic resource and a topic-data resource. The topic resource is used by a client creating or administering a topic. The topic-data resource is used by the publishers and the subscribers to a topic.
 
 ~~~~ aasvg
               ___