diff --git a/README.md b/README.md
index 11fd121..e4959c6 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@
 
 some packages collected for easy and often used functions
 
-- `file`: Read and Save - JSON, TOML
 - `database`: Start by Config, Migrate
-- `worker`: cronjob
+- `file`: Read and Save - JSON, TOML
+- `mailer`: Send E-Mail and receive for testing
 - `web`: helpers for golang-gin framework e.g. websocket, metrics, status, auth
+- `worker`: cronjob
diff --git a/database/docs.go b/database/docs.go
new file mode 100644
index 0000000..74afd89
--- /dev/null
+++ b/database/docs.go
@@ -0,0 +1,4 @@
+/*
+Package database implements common functionality for database with gorm.
+*/
+package database
diff --git a/mailer/docs.go b/mailer/docs.go
new file mode 100644
index 0000000..791444c
--- /dev/null
+++ b/mailer/docs.go
@@ -0,0 +1,4 @@
+/*
+Package mailer implements common functionality for sending emails and for testing
+*/
+package mailer
diff --git a/web/api/status/docs.go b/web/api/status/docs.go
new file mode 100644
index 0000000..8d4f53a
--- /dev/null
+++ b/web/api/status/docs.go
@@ -0,0 +1,4 @@
+/*
+Package status implements for web the module to publish the status with version and other extras
+*/
+package status
diff --git a/web/auth/docs.go b/web/auth/docs.go
new file mode 100644
index 0000000..a885d19
--- /dev/null
+++ b/web/auth/docs.go
@@ -0,0 +1,4 @@
+/*
+Package auth implements for web the module for authentification
+*/
+package auth
diff --git a/web/metrics/docs.go b/web/metrics/docs.go
new file mode 100644
index 0000000..453f325
--- /dev/null
+++ b/web/metrics/docs.go
@@ -0,0 +1,4 @@
+/*
+Package metrics implements for web the module to publish prometheus metrics
+*/
+package metrics
diff --git a/web/webtest/docs.go b/web/webtest/docs.go
new file mode 100644
index 0000000..d4ae5a3
--- /dev/null
+++ b/web/webtest/docs.go
@@ -0,0 +1,4 @@
+/*
+Package webtest implements an easy way to write test for web modules
+*/
+package webtest