Fix broken tiff spec pdf

src/ImageSharp/Formats/Tiff/README.md

@@ -48,7 +48,7 @@
 |Lzw                        |       |   Y   | Based on ImageSharp GIF LZW implementation - this code could be modified to be (i) shared, or (ii) optimised for each case |
 |Old Jpeg                   |       |       | We should not even try to support this |
 |Jpeg (Technote 2)          |       |       |                          |
-|Deflate (Technote 2)       |  (Y)  |   Y   | Based on PNG Deflate. |
+|Deflate (Technote 2)       |   Y   |   Y   | Based on PNG Deflate. |
 |Old Deflate (Technote 2)   |       |   Y   |                          |
 
 ### Photometric Interpretation Formats