Fix typos in docs and docstrings (GH-13745)
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index 15e707a..2a3ffb5 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -708,7 +708,7 @@
Cleans up the value stack and the block stack. If *preserve_tos* is not
``0`` TOS first is popped from the stack and pushed on the stack after
- perfoming other stack operations:
+ performing other stack operations:
* If TOS is ``NULL`` or an integer (pushed by :opcode:`BEGIN_FINALLY`
or :opcode:`CALL_FINALLY`) it is popped from the stack.