Update pep-0797.rst

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: ZeroIntensity

peps/pep-0797.rst

@@ -325,7 +325,7 @@ This PEP has no known backwards compatibility issues.
 Security Implications
 =====================
 
-This PEP has no known backwards security implications.
+This PEP has no known security implications.
 
 How to Teach This
 =================