diff --git a/internal/cmd/generator/main.go b/internal/cmd/generator/main.go
index 326f5273..f73cfec4 100644
--- a/internal/cmd/generator/main.go
+++ b/internal/cmd/generator/main.go
@@ -27,7 +27,7 @@ func createOpType(op, code string) opType {
 }
 
 func _main() error {
-	tmpl, err := template.New("").Parse(`// Code generated by internal/cmd/generator. DO NOT EDIT!
+	tmpl, err := template.New("").Parse(`// Code generated by internal/cmd/generator. DO NOT EDIT.
 package encoder
 
 import (
diff --git a/internal/cmd/generator/vm.go.tmpl b/internal/cmd/generator/vm.go.tmpl
index 645d20f9..4f21e34b 100644
--- a/internal/cmd/generator/vm.go.tmpl
+++ b/internal/cmd/generator/vm.go.tmpl
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package vm
 
 import (
diff --git a/internal/encoder/optype.go b/internal/encoder/optype.go
index 5c1241b4..64347efe 100644
--- a/internal/encoder/optype.go
+++ b/internal/encoder/optype.go
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package encoder
 
 import (
diff --git a/internal/encoder/vm/vm.go b/internal/encoder/vm/vm.go
index 645d20f9..4f21e34b 100644
--- a/internal/encoder/vm/vm.go
+++ b/internal/encoder/vm/vm.go
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package vm
 
 import (
diff --git a/internal/encoder/vm_color/vm.go b/internal/encoder/vm_color/vm.go
index a63e83e5..a72d4bdd 100644
--- a/internal/encoder/vm_color/vm.go
+++ b/internal/encoder/vm_color/vm.go
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package vm_color
 
 import (
diff --git a/internal/encoder/vm_color_indent/vm.go b/internal/encoder/vm_color_indent/vm.go
index 3b4e22e5..761f34f3 100644
--- a/internal/encoder/vm_color_indent/vm.go
+++ b/internal/encoder/vm_color_indent/vm.go
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package vm_color_indent
 
 import (
diff --git a/internal/encoder/vm_indent/vm.go b/internal/encoder/vm_indent/vm.go
index 836c5c8a..fcf1fa4d 100644
--- a/internal/encoder/vm_indent/vm.go
+++ b/internal/encoder/vm_indent/vm.go
@@ -1,4 +1,4 @@
-// Code generated by internal/cmd/generator. DO NOT EDIT!
+// Code generated by internal/cmd/generator. DO NOT EDIT.
 package vm_indent
 
 import (