#19620: Fix typo in docstring (noticed by Christopher Welborn).
diff --git a/Lib/tokenize.py b/Lib/tokenize.py
index f1e61d8..d0609e8 100644
--- a/Lib/tokenize.py
+++ b/Lib/tokenize.py
@@ -333,7 +333,7 @@
def detect_encoding(readline):
"""
The detect_encoding() function is used to detect the encoding that should
- be used to decode a Python source file. It requires one argment, readline,
+ be used to decode a Python source file. It requires one argument, readline,
in the same way as the tokenize() generator.
It will call readline a maximum of twice, and return the encoding used