diff --git a/paginate/__init__.py b/paginate/__init__.py
index fb91d29..7b9d9a1 100644
--- a/paginate/__init__.py
+++ b/paginate/__init__.py
@@ -772,7 +772,7 @@ def link_map(
 
     def _range(self, link_map, radius):
         """
-        Return range of linked pages to substiture placeholder in pattern
+        Return range of linked pages to substitute placeholder in pattern
         """
 
         leftmost_page = max(self.first_page, (self.page - radius))