bpo-43935: Fix typo in Turtle.back() docstring (GH-25581)

'e ,' to 'e, '.

diff --git a/Lib/turtle.py b/Lib/turtle.py
index 08c5b473df287e305f0c3535a1c4cf3af8bf4011..7d94720f8131d6f61f53cd1b3e96232118a5b2f0 100644 (file)
--- a/Lib/turtle.py
+++ b/Lib/turtle.py
@@ -1645,7 +1645,7 @@ class TNavigator(object):
         Argument:
         distance -- a number
 
-        Move the turtle backward by distance ,opposite to the direction the
+        Move the turtle backward by distance, opposite to the direction the
         turtle is headed. Do not change the turtle's heading.
 
         Example (for a Turtle instance named turtle):