Fix a bug in the stored programs manual (iterator description).
Fix a bug in the stored programs manual (iterator description).

condor-the-bird/tarantool,nvoron23/tarantool,KlonD90/tarantool,rtsisyk/tarantool,dkorolev/tarantool,Sannis/tarantool,vasilenkomike/tarantool,condor-the-bird/tarantool,vasilenkomike/tarantool,rtsisyk/tarantool,condor-the-bird/tarantool,guard163/tarantool,Sannis/tarantool,guard163/tarantool,nvoron23/tarantool,dkorolev/tarantool,nvoron23/tarantool,dkorolev/tarantool,rtsisyk/tarantool,KlonD90/tarantool,ocelot-inc/tarantool,nvoron23/tarantool,mejedi/tarantool,dkorolev/tarantool,ocelot-inc/tarantool,condor-the-bird/tarantool,dkorolev/tarantool,rtsisyk/tarantool,ocelot-inc/tarantool,nvoron23/tarantool,vasilenkomike/tarantool,mejedi/tarantool,condor-the-bird/tarantool,Sannis/tarantool,mejedi/tarantool,guard163/tarantool,guard163/tarantool,Sannis/tarantool,vasilenkomike/tarantool,KlonD90/tarantool,guard163/tarantool,vasilenkomike/tarantool,mejedi/tarantool,KlonD90/tarantool,nvoron23/tarantool,ocelot-inc/tarantool,Sannis/tarantool,KlonD90/tarantool