change aptos doc (#395)

Author: mariobern

pages/price-feeds/sponsored-feeds.mdx

@@ -91,7 +91,7 @@ The price feeds listed in the table below are currently sponsored in Sui mainnet
 
 ## Aptos
 
-The price feeds listed in the table below are currently sponsored in Aptos mainnet. The feeds are updated according to the following parameters: 1 second heartbeat or 0.5% price deviation.
+The price feeds listed in the table below are currently sponsored in Aptos mainnet. The feeds are updated according to the following parameters: 2 second heartbeat or 0.5% price deviation.
 
 | Name      | Price Feed Id                                                      |
 | --------- | ------------------------------------------------------------------ |