diff --git a/nfdocs-parser.py b/nfdocs-parser.py
index e424c0d..a482aec 100755
--- a/nfdocs-parser.py
+++ b/nfdocs-parser.py
@@ -25,6 +25,25 @@ def definition_type(signature):
     # Return the results
     return def_name, def_type
 
+def params_to_list(params):
+    if "tuple" in params.keys():
+        tuple_item = nodes.list_item()
+        if "name" in params.keys():
+            tuple_item += nodes.paragraph(text=params["name"])
+        tuple_item += nodes.paragraph(text="Tuple:")
+        tuple_list = nodes.bullet_list()
+        for io in params["tuple"]:
+            tuple_list += params_to_list(io)
+        tuple_item += tuple_list
+        return tuple_item
+    else:
+        io_item = nodes.list_item()
+        if "name" in params.keys():
+            io_item += nodes.paragraph(text=params["name"])
+        io_item += nodes.paragraph(text=f"Type: {params['type']}")
+        io_item += nodes.paragraph(text=params["description"])
+        return io_item
+
 class NFDocs(Directive):
     # Class default overrides
     required_arguments = 1
@@ -32,25 +51,6 @@ class NFDocs(Directive):
     # Declare the docstring starting characters
     DOC_STARTER = "/// "
 
-    def params_to_list(self, params):
-        if "tuple" in params.keys():
-            tuple_item = nodes.list_item()
-            if "name" in params.keys():
-                tuple_item += nodes.paragraph(text=params["name"])
-            tuple_item += nodes.paragraph(text="Tuple:")
-            tuple_list = nodes.bullet_list()
-            for io in params["tuple"]:
-                tuple_list += self.params_to_list(io)
-            tuple_item += tuple_list
-            return tuple_item
-        else:
-            io_item = nodes.list_item()
-            if "name" in params.keys():
-                io_item += nodes.paragraph(text=params["name"])
-            io_item += nodes.paragraph(text=f"Type: {params['type']}")
-            io_item += nodes.paragraph(text=params["description"])
-            return io_item
-
     def run(self):
         # Take path as single argument for now
         nextflow_path = self.arguments[0]
@@ -121,7 +121,7 @@ class NFDocs(Directive):
                         io_section += nodes.title(text=met)
                         io_list = nodes.bullet_list()
                         for io in proc_docs[met]:
-                            io_list += self.params_to_list(io)
+                            io_list += params_to_list(io)
                         io_section += io_list
                         proc_section += io_section
                         self.state_machine.document.note_implicit_target(io_section)