diff --git a/snippets/csharp/language-reference/operators/GreaterAndLessOperatorsExamples.cs b/snippets/csharp/language-reference/operators/GreaterAndLessOperatorsExamples.cs
index 4c7171dce5e..ed706dfd053 100644
--- a/snippets/csharp/language-reference/operators/GreaterAndLessOperatorsExamples.cs
+++ b/snippets/csharp/language-reference/operators/GreaterAndLessOperatorsExamples.cs
@@ -22,6 +22,9 @@ private static void Greater()
             Console.WriteLine(7.0 > 5.1);   // output: True
             Console.WriteLine(5.1 > 5.1);   // output: False
             Console.WriteLine(0.0 > 5.1);   // output: False
+
+            Console.WriteLine(double.NaN > 5.1);   // output: False
+            Console.WriteLine(double.NaN <= 5.1);  // output: False
             // </SnippetGreater>
         }
 
@@ -31,6 +34,9 @@ private static void Less()
             Console.WriteLine(7.0 < 5.1);   // output: False
             Console.WriteLine(5.1 < 5.1);   // output: False
             Console.WriteLine(0.0 < 5.1);   // output: True
+
+            Console.WriteLine(double.NaN < 5.1);   // output: False
+            Console.WriteLine(double.NaN >= 5.1);  // output: False
             // </SnippetLess>
         }
 
@@ -40,6 +46,9 @@ private static void GreaterOrEqual()
             Console.WriteLine(7.0 >= 5.1);   // output: True
             Console.WriteLine(5.1 >= 5.1);   // output: True
             Console.WriteLine(0.0 >= 5.1);   // output: False
+
+            Console.WriteLine(double.NaN < 5.1);   // output: False
+            Console.WriteLine(double.NaN >= 5.1);  // output: False
             // </SnippetGreaterOrEqual>
         }
 
@@ -49,6 +58,9 @@ private static void LessOrEqual()
             Console.WriteLine(7.0 <= 5.1);   // output: False
             Console.WriteLine(5.1 <= 5.1);   // output: True
             Console.WriteLine(0.0 <= 5.1);   // output: True
+
+            Console.WriteLine(double.NaN > 5.1);   // output: False
+            Console.WriteLine(double.NaN <= 5.1);  // output: False
             // </SnippetLessOrEqual>
         }
     }