Fix minor markup typo (GH-5407) (#5416)

(cherry picked from commit 2a3260bb030b0d4620242110c0ee5abc379afa8d)

diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index 7a7a84d1d424dff6b89b8999607e2df6c078eff6..3b479bd64294d1d13ed6a28dc1a50793f797ec0e 100644 (file)
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1409,7 +1409,7 @@ are always available.  They are listed here in alphabetical order.
    a regular function and do something with its result.  This is needed
    in some cases where you need a reference to a function from a class
    body and you want to avoid the automatic transformation to instance
-   method.  For these cases, use this idiom:
+   method.  For these cases, use this idiom::
 
       class C:
           builtin_open = staticmethod(open)