Docs: Fix incorrect sphinx markup for a class member (GH-130970)

diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index fca4a550f2844170a45c68f5c94267141f06c24f..90e937ab2a91a6553e1fcdcb09bd8de2f2691200 100644 (file)
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -535,7 +535,7 @@ details of bytecode instructions as :class:`Instruction` instances:
       :class:`dis.Positions` object holding the
       start and end locations that are covered by this instruction.
 
-   .. data::cache_info
+   .. data:: cache_info
 
       Information about the cache entries of this instruction, as
       triplets of the form ``(name, size, data)``, where the ``name``