Update randomSeed.adoc

Author: robsoncouto

Language/Functions/Random Numbers/randomSeed.adoc

@@ -30,7 +30,7 @@ Conversely, it can occasionally be useful to use pseudo-random sequences that re
 
 [float]
 === Parameters
-`seed` - number to initialize the pseudo-random sequence (long).
+`seed` - number to initialize the pseudo-random sequence (unsigned long).
 
 [float]
 === Returns