diff --git a/plugins/inputs/postgresql_extensible/README.md b/plugins/inputs/postgresql_extensible/README.md
index ae49a9b3e..04d044ff5 100644
--- a/plugins/inputs/postgresql_extensible/README.md
+++ b/plugins/inputs/postgresql_extensible/README.md
@@ -65,7 +65,7 @@ query parameters have been added :
 ```
 
 The system can be easily extended using homemade metrics collection tools or
-# using postgreql extensions (
+using postgreql extensions (
 [pg_stat_statements](http://www.postgresql.org/docs/current/static/pgstatstatements.html), [pg_proctab](https://github.com/markwkm/pg_proctab),
 [powa](http://dalibo.github.io/powa/)...)