diff --git a/src/Spectre.Console/Internal/Text/Markup/MarkupTokenizer.cs b/src/Spectre.Console/Internal/Text/Markup/MarkupTokenizer.cs
index 9afb92c..38de6e9 100644
--- a/src/Spectre.Console/Internal/Text/Markup/MarkupTokenizer.cs
+++ b/src/Spectre.Console/Internal/Text/Markup/MarkupTokenizer.cs
@@ -59,7 +59,7 @@ internal sealed class MarkupTokenizer : IDisposable
                 if (encounteredClosing)
                 {
                     throw new InvalidOperationException(
-                        $"Encountered unescaped ']' token at position {_reader.Position}.");
+                        $"Encountered unescaped ']' token at position {_reader.Position}");
                 }
             }
 
@@ -68,7 +68,7 @@ internal sealed class MarkupTokenizer : IDisposable
 
         if (encounteredClosing)
         {
-            throw new InvalidOperationException($"Encountered unescaped ']' token at position {_reader.Position}.");
+            throw new InvalidOperationException($"Encountered unescaped ']' token at position {_reader.Position}");
         }
 
         Current = new MarkupToken(MarkupTokenKind.Text, builder.ToString(), position);
diff --git a/test/Spectre.Console.Tests/Unit/Widgets/MarkupTests.cs b/test/Spectre.Console.Tests/Unit/Widgets/MarkupTests.cs
index 26967a9..aad415c 100644
--- a/test/Spectre.Console.Tests/Unit/Widgets/MarkupTests.cs
+++ b/test/Spectre.Console.Tests/Unit/Widgets/MarkupTests.cs
@@ -107,7 +107,7 @@ public sealed class MarkupTests
         // Then
         result.ShouldNotBeNull();
         result.ShouldBeOfType<InvalidOperationException>();
-        result.Message.ShouldBe("Encountered unescaped ']' token at position 16.");
+        result.Message.ShouldBe("Encountered unescaped ']' token at position 16");
     }
 
     [Fact]