Correcting type specs

Author: Sam Tavakoli

src/gascheduler.erl

@@ -35,7 +35,7 @@
 %% Types
 -type worker_nodes()  :: [node()].
 -type max_workers()   :: non_neg_integer().
--type max_retries()   :: pos_integer().
+-type max_retries()   :: pos_integer() | infinity.
 -type client()        :: pid().
 -type pending()       :: queue:queue(mfa()).
 -type running()       :: [{pid(), mfa()}].
@@ -92,7 +92,7 @@ start_link(Nodes, Client, MaxWorkers, MaxRetries) ->
 stop(Name) ->
     gen_server:call(Name, stop).
 
--spec execute(atom(), mfa()) -> ok.
+-spec execute(atom(), {module(), atom(), [term()]}) -> ok.
 execute(Name, MFA) ->
     gen_server:call(Name, {execute, MFA}).