Update fish_species_encoding.md

Author: omarhogni

docs/functionality/fish_species_encoding.md

@@ -55,7 +55,7 @@ Here is an example for the fish species `COD`
 ```
 Here is an example for the fish species `HAD`
 ```
-(26^2 * 7) + (26 * 0) + 3 = 473
+(26^2 * 7) + (26 * 0) + 3 = 4735
 ```
 
 ## Speciality markings
@@ -97,4 +97,4 @@ Here is an example for the speciality code `!UNS`
 `!EMP`
 ```
 17576 + (26^2 * 2) + (26 * 12) + 15 = 20607
-```
+```