diff --git a/appveyor.yml b/appveyor.yml
index 4665d5f..67026cf 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -15,7 +15,6 @@
 # ------------------------------------------------------------------------------
 
 image:
-  - Ubuntu
   - Visual Studio 2022
 
 skip_tags: true
diff --git a/build/Build.cs b/build/Build.cs
index 0b8237f..6992a20 100644
--- a/build/Build.cs
+++ b/build/Build.cs
@@ -39,7 +39,6 @@
     EnableGitHubToken = true,
     FetchDepth = 0)]
 [AppVeyor(
-    AppVeyorImage.UbuntuLatest,
     AppVeyorImage.VisualStudioLatest,
     InvokedTargets = [nameof(Test), nameof(SonarEnd)],
     SkipTags = true,
diff --git a/src/Ubiety.Stringprep.Core/Ubiety.Stringprep.Core.xml b/src/Ubiety.Stringprep.Core/Ubiety.Stringprep.Core.xml
index b61f882..4049fbe 100644
--- a/src/Ubiety.Stringprep.Core/Ubiety.Stringprep.Core.xml
+++ b/src/Ubiety.Stringprep.Core/Ubiety.Stringprep.Core.xml
@@ -62,11 +62,18 @@
             <summary>
                 Composite mapping table.
             </summary>
+            <remarks>
+                Initializes a new instance of the <see cref="T:Ubiety.Stringprep.Core.CompositeMappingTable" /> class.
+            </remarks>
+            <param name="mappingTables">Mapping tables.</param>
         </member>
         <member name="M:Ubiety.Stringprep.Core.CompositeMappingTable.#ctor(System.Collections.Generic.ICollection{Ubiety.Stringprep.Core.IMappingTable})">
             <summary>
-                Initializes a new instance of the <see cref="T:Ubiety.Stringprep.Core.CompositeMappingTable" /> class.
+                Composite mapping table.
             </summary>
+            <remarks>
+                Initializes a new instance of the <see cref="T:Ubiety.Stringprep.Core.CompositeMappingTable" /> class.
+            </remarks>
             <param name="mappingTables">Mapping tables.</param>
         </member>
         <member name="M:Ubiety.Stringprep.Core.CompositeMappingTable.HasReplacement(System.Int32)">