Update indexing.mdx (#820)

correct number value referring to allocation states

Author: denverbaumgartner

website/pages/en/network/indexing.mdx

@@ -810,7 +810,7 @@ To set the delegation parameters using Graph Explorer interface, follow these st
 
 ### The life of an allocation
 
-After being created by an Indexer a healthy allocation goes through four states.
+After being created by an Indexer a healthy allocation goes through two states.
 
 - **Active** - Once an allocation is created on-chain ([allocateFrom()](https://github.com/graphprotocol/contracts/blob/main/packages/contracts/contracts/staking/Staking.sol#L316)) it is considered **active**. A portion of the Indexer's own and/or delegated stake is allocated towards a subgraph deployment, which allows them to claim indexing rewards and serve queries for that subgraph deployment. The Indexer agent manages creating allocations based on the Indexer rules.