diff --git a/cmd/end.go b/cmd/end.go
index 0c33826..3bd45bc 100644
--- a/cmd/end.go
+++ b/cmd/end.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/cmd/init.go b/cmd/init.go
index fe3488e..48b4d20 100644
--- a/cmd/init.go
+++ b/cmd/init.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/cmd/note.go b/cmd/note.go
index b764787..6ee08c9 100644
--- a/cmd/note.go
+++ b/cmd/note.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/cmd/report.go b/cmd/report.go
index 8244208..0a139f3 100644
--- a/cmd/report.go
+++ b/cmd/report.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/cmd/report_week.go b/cmd/report_week.go
index c79b6bc..ba52986 100644
--- a/cmd/report_week.go
+++ b/cmd/report_week.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/cmd/root.go b/cmd/root.go
index b645512..6e2155c 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -1,24 +1,3 @@
-/*
-Copyright © 2023 Robson Cruz
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
 package cmd
 
 import (
diff --git a/cmd/start.go b/cmd/start.go
index 79956f9..8d60bd9 100644
--- a/cmd/start.go
+++ b/cmd/start.go
@@ -1,6 +1,3 @@
-/*
-Copyright © 2023 NAME HERE <EMAIL ADDRESS>
-*/
 package cmd
 
 import (
diff --git a/internal/ioutils.go b/internal/ioutils.go
index 279ac37..d0bf6c0 100644
--- a/internal/ioutils.go
+++ b/internal/ioutils.go
@@ -6,6 +6,23 @@ import (
 	"os"
 )
 
+// SaveEntries encodes the given journal entries into JSON format and writes
+// them to a file with the specified filename.
+//
+// The function will return an error if the encoding process fails or if the
+// file cannot be created or written to.
+//
+// The function takes two parameters:
+// - journalEntries: a slice of JournalEntry objects to be saved.
+// - filename: a string representing the name of the file to write to.
+//
+// Example:
+//
+//	entries := []JournalEntry{...}
+//	err := SaveEntries(entries, "journal.json")
+//	if err != nil {
+//	    log.Fatal(err)
+//	}
 func SaveEntries(jounalEntries []JournalEntry, filename string) error {
 	data, err := json.Marshal(jounalEntries)
 	if err != nil {
diff --git a/main.go b/main.go
index 237f789..d96fbeb 100644
--- a/main.go
+++ b/main.go
@@ -1,24 +1,3 @@
-/*
-Copyright © 2023 Robson Cruz
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
 package main
 
 import (