diff --git a/doc/help/commands.asciidoc b/doc/help/commands.asciidoc
index be7f4d557..1008de1bf 100644
--- a/doc/help/commands.asciidoc
+++ b/doc/help/commands.asciidoc
@@ -1,6 +1,7 @@
 // DO NOT EDIT THIS FILE DIRECTLY!
 // It is autogenerated by running:
 //   $ python3 scripts/dev/src2asciidoc.py
+// vim: readonly:
 
 = Commands
 
diff --git a/doc/help/settings.asciidoc b/doc/help/settings.asciidoc
index 53af8399d..73aae6fb2 100644
--- a/doc/help/settings.asciidoc
+++ b/doc/help/settings.asciidoc
@@ -1,6 +1,7 @@
 // DO NOT EDIT THIS FILE DIRECTLY!
 // It is autogenerated by running:
 //   $ python3 scripts/dev/src2asciidoc.py
+// vim: readonly:
 
 = Setting reference
 
diff --git a/scripts/dev/src2asciidoc.py b/scripts/dev/src2asciidoc.py
index 803280deb..5dc3d05ac 100755
--- a/scripts/dev/src2asciidoc.py
+++ b/scripts/dev/src2asciidoc.py
@@ -44,6 +44,7 @@ FILE_HEADER = """
 // DO NOT EDIT THIS FILE DIRECTLY!
 // It is autogenerated by running:
 //   $ python3 scripts/dev/src2asciidoc.py
+// vim: readonly:
 
 """.lstrip()