diff --git a/examples/async/completion.py b/examples/async/completion.py
index 4f159b7b..cbd6b3e1 100644
--- a/examples/async/completion.py
+++ b/examples/async/completion.py
@@ -60,7 +60,7 @@ class Person(AsyncDocument):
     def clean(self):
         """
         Automatically construct the suggestion input and weight by taking all
-        possible permutation of Person's name as ``input`` and taking their
+        possible permutations of Person's name as ``input`` and taking their
         popularity as ``weight``.
         """
         self.suggest = {
diff --git a/examples/completion.py b/examples/completion.py
index 4da648df..888eee62 100644
--- a/examples/completion.py
+++ b/examples/completion.py
@@ -59,7 +59,7 @@ class Person(Document):
     def clean(self):
         """
         Automatically construct the suggestion input and weight by taking all
-        possible permutation of Person's name as ``input`` and taking their
+        possible permutations of Person's name as ``input`` and taking their
         popularity as ``weight``.
         """
         self.suggest = {