diff --git a/zipp/__init__.py b/zipp/__init__.py
index f06e9fc..ddfa0a6 100644
--- a/zipp/__init__.py
+++ b/zipp/__init__.py
@@ -222,7 +222,7 @@ class Path:
 
     Read text:
 
-    >>> c.read_text()
+    >>> c.read_text(encoding='utf-8')
     'content of c'
 
     existence: