Comment fixes.

src/ImageSharp.Formats.Bmp/BmpEncoderOptions.cs

@@ -32,7 +32,7 @@ namespace ImageSharp.Formats
         public BmpBitsPerPixel BitsPerPixel { get; set; } = BmpBitsPerPixel.Pixel24;
 
         /// <summary>
-        /// Converts the options to a <see cref="BmpEncoderOptions"/> instance with a cast
+        /// Converts the options to a <see cref="IBmpEncoderOptions"/> instance with a cast
         /// or by creating a new instance with the specfied options.
         /// </summary>
         /// <param name="options">The options for the encoder.</param>

src/ImageSharp.Formats.Gif/GifDecoderOptions.cs

@@ -36,7 +36,7 @@ namespace ImageSharp.Formats
         public Encoding TextEncoding { get; set; } = DefaultEncoding;
 
         /// <summary>
-        /// Converts the options to a <see cref="GifDecoderOptions"/> instance with a cast
+        /// Converts the options to a <see cref="IGifDecoderOptions"/> instance with a cast
         /// or by creating a new instance with the specfied options.
         /// </summary>
         /// <param name="options">The options for the decoder.</param>