fix: update conf.py and clanglog.rst

Author: shenxianpeng

docs/changelog.rst

@@ -5,9 +5,9 @@ v1.2
 ----
 
 - Improve interoperability with ``importlib.metadata``, fixing a regression
-  in setuptools compatibility in 1.1 (#199).
+  in setuptools compatibility in 1.1 (:pull:`199`).
 - Clean up the ``_in_process`` directory inside the package from ``sys.path``
-  before imporing the backend (#193).
+  before imporing the backend (:pull:`193`).
 
 v1.1
 ----
@@ -39,7 +39,7 @@ v0.13
 
 - Remove support for end-of-life Pythons. Now requires Python3.6+.
 - Remove support for ``toml`` package. Now requires ``tomli``.
-- Rely on preferred "files" API on Python 3.9 and later (#140).
+- Rely on preferred "files" API on Python 3.9 and later (:issue:`140`).
 
 v0.12
 -----

docs/conf.py

@@ -49,5 +49,5 @@
 extlinks = {
     "pypi": ("https://pypi.org/project/%s", "%s"),
     "issue": ("https://github.com/pypa/pyproject-hooks/issues/%s", "#%s"),
-    "pull": ("https://github.com/pypa/pyproject-hooks/pull/%s", "PR #%s"),
+    "pull": ("https://github.com/pypa/pyproject-hooks/pull/%s", "#%s"),
 }