Add link to CoreLib bin-placing issue and update RuntimeConfiguration in comment

Author: layomia

src/libraries/illink-sharedframework.targets

@@ -30,12 +30,12 @@
       <ILLinkArgs>$(ILLinkArgs) --nowarn $(LinkerNoWarn)</ILLinkArgs>
     </PropertyGroup>
 
-    <!-- Retrieve CoreLib's path as it isn't binplaced alongside the libraries. -->
+    <!-- Retrieve CoreLib's path as it isn't binplaced alongside the libraries - https://github.com/dotnet/runtime/issues/43095. -->
     <ItemGroup>
       <CoreLibProjectWithRuntimeConfig Include="$(CoreLibProject)">
         <!-- Don't flow TargetFramework and Platform to use same inputs and outputs as the CoreLib's build as part of the runtime. -->
         <UndefineProperties>$(UndefineProperties);TargetFramework;Platform</UndefineProperties>
-        <!-- If conflicting, manually set the Configuration property of the CoreLib project so that it aligns with the specified RuntimeConfiguration in the libraries' build. -->
+        <!-- If conflicting, manually set the Configuration property of the CoreLib project so that it aligns with the specified runtime configuration in the libraries' build. -->
         <Properties Condition="'$(RuntimeFlavor)' == 'CoreCLR' and
                                '$(Configuration)' != '$(CoreCLRConfiguration)'">Configuration=$(CoreCLRConfiguration)</Properties>
         <Properties Condition="'$(RuntimeFlavor)' == 'Mono' and