diff --git a/Lib/idlelib/README.txt b/Lib/idlelib/README.txt
index b5663c25cfe..7bf74c0fc4a 100644
--- a/Lib/idlelib/README.txt
+++ b/Lib/idlelib/README.txt
@@ -1,6 +1,6 @@
 README.txt: an index to idlelib files and the IDLE menu.
 
-IDLE is Python’s Integrated Development and Learning
+IDLE is Python's Integrated Development and Learning
 Environment.  The user documentation is part of the Library Reference and
 is available in IDLE by selecting Help => IDLE Help.  This README documents
 idlelib for IDLE developers and curious users.