Updated comment with the correct url.

Author: dlemstra

src/Magick.NET/MagickImage.cs

@@ -2988,9 +2988,9 @@ public void Flop()
     }
 
     /// <summary>
-    /// Formats the specified expression, more info here: http://www.imagemagick.org/script/escape.php.
+    /// Formats the specified expression (more info can be found here: https://imagemagick.org/script/escape.php).
     /// </summary>
-    /// <param name="expression">The expression, more info here: http://www.imagemagick.org/script/escape.php.</param>
+    /// <param name="expression">The expression.</param>
     /// <returns>The result of the expression.</returns>
     /// <exception cref="MagickException">Thrown when an error is raised by ImageMagick.</exception>
     public string? FormatExpression(string expression)