diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62760223..45fc3f03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@ This file is used to list changes made in the last 3 major versions of the postg
 
 ## Unreleased
 
+- Fix typo in documentation of `postgresql_extension` resource
+
 ## 11.5.0 - *2023-06-19*
 
 - Added support for Debian 12
diff --git a/documentation/postgresql_extension.md b/documentation/postgresql_extension.md
index d7f7ff22..bcfdb100 100644
--- a/documentation/postgresql_extension.md
+++ b/documentation/postgresql_extension.md
@@ -39,7 +39,7 @@ package 'postgresql-contrib15'
 
 # Install adminpack extension
 postgresql_extension 'postgres adminpack' do
-  database 'postgres'
+  dbname 'postgres'
   extension 'adminpack'
 end
 ```