Removed unintentional trailing spaces in text files.
diff --git a/Lib/idlelib/README.txt b/Lib/idlelib/README.txt
index b2bb73b..7f4a66d 100644
--- a/Lib/idlelib/README.txt
+++ b/Lib/idlelib/README.txt
@@ -14,7 +14,7 @@
There is a Python Shell window which features colorizing and command recall.
IDLE executes Python code in a separate process, which is restarted for each
-Run (F5) initiated from an editor window. The environment can also be
+Run (F5) initiated from an editor window. The environment can also be
restarted from the Shell window without restarting IDLE.
This enhancement has often been requested, and is now finally available. The