🐛 fixed decoding example (attempt to index global 'o' (a nil value))

Author: ReactiioN1337

README.md

@@ -15,7 +15,7 @@ json = require('json')
 print(json.encode({ 1, 2, 'fred', {first='mars',second='venus',third='earth'} }))
 ```
 ```json
-[1,2,"fred", {"first":"mars","second":"venus","third":"earth"}] 
+[1,2,"fred", {"first":"mars","second":"venus","third":"earth"}]
 ```
 
 ## Decoding ##
@@ -26,7 +26,7 @@ testString = [[ { "one":1 , "two":2, "primes":[2,3,5,7] } ]]
 decoded = json.decode(testString)
 table.foreach(decoded, print)
 print ("Primes are:")
-table.foreach(o.primes,print)
+table.foreach(decoded.primes,print)
 ```
 ```
 one		1