diff --git a/update_doc b/update_doc
new file mode 100755
index 0000000..f21d90a
--- /dev/null
+++ b/update_doc
@@ -0,0 +1,31 @@
+#!/usr/bin/python
+import re
+import pathlib
+import importlib
+import sys
+
+sys.path.append("plugins")
+mindocstring = "DOCUMENTATION = ''''''"
+
+moduledir = pathlib.Path("plugins/modules")
+regex = re.compile("DOCUMENTATION *= *r?(?P<quote>\"{3}|'{3})(---)?.*?(?P=quote)", re.MULTILINE | re.DOTALL)
+
+if __name__ == "__main__":
+    for modfile in moduledir.iterdir():
+        if modfile.name in ( "__init__.py", "__pycache__"):
+            continue
+        mod = importlib.import_module("modules."+modfile.stem)
+        if hasattr(mod, "Module"):
+            module = mod.Module
+        elif hasattr(mod, "__module_name__"):
+            module = getattr(mod, mod.__module_name__)
+        moddoc = module.doc()
+        moddata = modfile.read_text()
+        match = regex.search(moddata)
+        if not match:
+            print("no Documentation set for module {}. Please add at least \"{}\" to the file".format(modfile.stem, mindocstring))
+            continue
+        newmod = "{pre}DOCUMENTATION = {quote}{doc}{quote}{post}".format(pre=moddata[:match.start()], quote=match.group("quote"), doc=moddoc, post=moddata[match.end():])
+        modfile.write_text(newmod)
+
+# code: python
\ No newline at end of file