Update PR template (#7794)

* Update PR template

* Revert changes, reword line

Author: Cjkjvfnby

Diff for: .github/pull_request_template.md

@@ -16,5 +16,5 @@
 * [ ] All functions and variable names follow Python naming conventions.
 * [ ] All function parameters and return values are annotated with Python [type hints](https://docs.python.org/3/library/typing.html).
 * [ ] All functions have [doctests](https://docs.python.org/3/library/doctest.html) that pass the automated testing.
-* [ ] All new algorithms have a URL in its comments that points to Wikipedia or other similar explanation.
+* [ ] All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
 * [ ] If this pull request resolves one or more open issues then the commit message contains `Fixes: #{$ISSUE_NO}`.