diff --git a/platypush/plugins/__init__.py b/platypush/plugins/__init__.py
index 3615f921b2..39cb9f32b0 100644
--- a/platypush/plugins/__init__.py
+++ b/platypush/plugins/__init__.py
@@ -130,7 +130,7 @@ class RunnablePlugin(Plugin):
     ):
         """
         :param poll_interval: How often the :meth:`.loop` function should be
-            execute (default: 15 seconds). *NOTE*: For back-compatibility
+            executed (default: 15 seconds). *NOTE*: For back-compatibility
             reasons, the `poll_seconds` argument is also supported, but it's
             deprecated.
         :param stop_timeout: How long we should wait for any running
diff --git a/platypush/utils/reflection/_parser.py b/platypush/utils/reflection/_parser.py
index 57f07b8acc..fa89def7a9 100644
--- a/platypush/utils/reflection/_parser.py
+++ b/platypush/utils/reflection/_parser.py
@@ -133,7 +133,7 @@ class DocstringParser:
                 return None
 
             lines = text.split("\n")
-            return (lines[0] + tw.dedent("\n".join(lines[1:]) or "")).strip()
+            return (lines[0] + " " + tw.dedent("\n".join(lines[1:]) or "")).strip()
 
         ctx = ParseContext(obj)
         yield ctx
@@ -179,9 +179,6 @@ class DocstringParser:
             ctx.state = ParseState.PARAM
             idx = len(ctx.parsed_params)
             ctx.cur_param = m.group("name")
-            if ctx.cur_param not in ctx.param_names:
-                return
-
             ctx.parsed_params[ctx.cur_param] = Parameter(
                 name=ctx.cur_param,
                 required=(