Update oidc-exchange.py

Co-authored-by: Sviatoslav Sydorenko <wk.cvs.github@sydorenko.org.ua>

Author: virtuald

oidc-exchange.py

@@ -72,7 +72,7 @@
 * `job_workflow_ref`: `{job_workflow_ref}`
 * `ref`: `{ref}`
 
-See https://docs.pypi.org/trusted-publishers/troubleshooting/ for more help
+See https://docs.pypi.org/trusted-publishers/troubleshooting/ for more help.
 
 """