Update peps/pep-0765.rst

Co-authored-by: Alex Waygood <[email protected]>

Author: iritkatriel

peps/pep-0765.rst

@@ -291,7 +291,7 @@ The 8 cases where the feature appears to be used correctly (in non-test code) al
 deserve attention. These represent the "churn" that would be caused by blocking
 the feature, because this is where working code will need to change.  I did not
 contact the authors in these cases, so we need to assess the difficulty of
-making these changes ourselves. It is show in
+making these changes ourselves. It is shown in
 `the full report <https://github.com/iritkatriel/finally/commits/main/README.md>`__,
 that the change required in each case is small.