diff --git a/documentation/rules/NS1000.md b/documentation/rules/NS1000.md
index 609a7912..84c20064 100644
--- a/documentation/rules/NS1000.md
+++ b/documentation/rules/NS1000.md
@@ -7,7 +7,7 @@
 </tr>
 <tr>
   <td>Category</td>
-  <td>Non virtual substitution</td>
+  <td>Non-substitutable member</td>
 </tr>
 </table>
 
@@ -36,7 +36,7 @@ To fix a violation of this rule, make the member of your class virtual or substi
 This warning can be suppressed by disabling the warning in the **ruleset** file for the project or by suppressing it (for selected members) in `nsubstitute.json` file. See the [configuration](../Configuration.md) section for details on how to set this up.
 The warning can also be suppressed programmatically for an assembly:
 ````c#
-[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non virtual substitution", "NS1000:Non-virtual setup specification.", Justification = "Reviewed")]
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non-substitutable member", "NS1000:Non-virtual setup specification.", Justification = "Reviewed")]
 ````
 
 Or for a specific code block:
diff --git a/documentation/rules/NS1001.md b/documentation/rules/NS1001.md
index 89547f9e..0395a169 100644
--- a/documentation/rules/NS1001.md
+++ b/documentation/rules/NS1001.md
@@ -7,7 +7,7 @@
 </tr>
 <tr>
   <td>Category</td>
-  <td>Non virtual substitution</td>
+  <td>Non-substitutable member</td>
 </tr>
 </table>
 
@@ -34,7 +34,7 @@ To fix a violation of this rule, make the member of your class virtual or substi
 This warning can be suppressed by disabling the warning in the **ruleset** file for the project.
 The warning can also be suppressed programmatically for an assembly:
 ````c#
-[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non virtual substitution", "NS1001:Non-virtual setup specification.", Justification = "Reviewed")]
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non-substitutable member", "NS1001:Non-virtual setup specification.", Justification = "Reviewed")]
 ````
 
 Or for a specific code block:
diff --git a/documentation/rules/NS1002.md b/documentation/rules/NS1002.md
index 6a29a938..863425d5 100644
--- a/documentation/rules/NS1002.md
+++ b/documentation/rules/NS1002.md
@@ -7,7 +7,7 @@
 </tr>
 <tr>
   <td>Category</td>
-  <td>Non virtual substitution</td>
+  <td>Non-substitutable member</td>
 </tr>
 </table>
 
@@ -32,7 +32,7 @@ To fix a violation of this rule, make the member of your class virtual or substi
 This warning can be suppressed by disabling the warning in the **ruleset** file for the project.
 The warning can also be suppressed programmatically for an assembly:
 ````c#
-[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non virtual substitution", "NS1002:Non-virtual setup specification.", Justification = "Reviewed")]
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non-substitutable member", "NS1002:Non-virtual setup specification.", Justification = "Reviewed")]
 ````
 
 Or for a specific code block:
diff --git a/documentation/rules/NS1003.md b/documentation/rules/NS1003.md
index 2581b349..c4d083ce 100644
--- a/documentation/rules/NS1003.md
+++ b/documentation/rules/NS1003.md
@@ -7,7 +7,7 @@
 </tr>
 <tr>
   <td>Category</td>
-  <td>Non virtual substitution</td>
+  <td>Non-substitutable member</td>
 </tr>
 </table>
 
@@ -35,12 +35,12 @@ There are several ways to fix this:
 This warning can be suppressed by disabling the warning in the **ruleset** file for the project.
 The warning can also be suppressed programmatically for an assembly:
 ````c#
-[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non virtual substitution", "NS1003:Non-virtual setup specification.", Justification = "Reviewed")]
+[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Non-substitutable member", "NS1003:Intdernal virtual setup specification.", Justification = "Reviewed")]
 ````
 
 Or for a specific code block:
 ````c#
-#pragma warning disable NS1003 // Non-virtual setup specification.
+#pragma warning disable NS1003 // Internal virtual setup specification.
 // the code which produces warning
-#pragma warning restore NS1003 // Non-virtual setup specification.
+#pragma warning restore NS1003 // Internal virtual setup specification.
 ````
diff --git a/src/NSubstitute.Analyzers.Shared/DiagnosticCategories.cs b/src/NSubstitute.Analyzers.Shared/DiagnosticCategories.cs
index b92df322..f8aa6a66 100644
--- a/src/NSubstitute.Analyzers.Shared/DiagnosticCategories.cs
+++ b/src/NSubstitute.Analyzers.Shared/DiagnosticCategories.cs
@@ -2,7 +2,7 @@
 {
     internal enum DiagnosticCategory
     {
-        [DisplayName("Non virtual substitution")]
+        [DisplayName("Non-substitutable member")]
         NonVirtualSubstitution = 1,
 
         [DisplayName("Substitute creation")]