fix changelog links

Author: atravitz

docs/CHANGELOG.rst

@@ -9,15 +9,15 @@ v1.8.1
 
 **Added:**
 
-* Added a progress bar for ``openfe gather`` JSON loading.
+* Added a progress bar for ``openfe gather`` JSON loading (`PR #1786 <https://github.com/OpenFreeEnergy/openfe/pull/1786>`_).
 
 **Fixed:**
 
 * Due to issues with OpenFF's handling of toolkit registries
   with NAGL, the use of NAGL models (e.g. AshGC) when OpenEye
   is installed but not requested as the charge backend has been
-  disabled (Issue #1760).
-* Fixed bug in ligand network visualization (such as with ``openfe view-ligand-network``) so that ligand names are no longer cut off by the plot border (`PR 1822 <https://github.com/OpenFreeEnergy/openfe/pull/1822>`_).
+  disabled (Issue #1760, `PR #1762 <https://github.com/OpenFreeEnergy/openfe/pull/1762>`_).
+* Fixed bug in ligand network visualization (such as with ``openfe view-ligand-network``) so that ligand names are no longer cut off by the plot border (`PR #1822 <https://github.com/OpenFreeEnergy/openfe/pull/1822>`_).