added information about testnet

src/brain/intro.md

@@ -9,6 +9,6 @@ Similar to the hacker challenge, the brain will create smart contracts on variou
   - the customer is always right, so the customer gets to choose the software
 - providing escrow as a node operator or as a user
   - escrow can be used to compensate for low rating, based on the free market principle
-- delegating escrow to servers and to users
+- delegating escrow to servers and to users in order to get rewards
 
 This component is currently under development. The high level mechanics of the brain are simulated in a centralized API, that will be used to power the testnet till the release of the decentralized brain.

src/cloud/components.md

@@ -2,7 +2,7 @@
 
 DeTEE is built of multiple components that are already under development, as follows:
 - **The Brain**: a decentralized contract manager (functioning very much like an Oracle) that runs on top of the DeTEE encryption layer
-  - [x] stores your account balance (not matter if you are a user or a node operator)
+  - [x] stores your account balance (no matter if you are a user or a node operator)
   - [x] allows you to create contracts for VMs and containers
   - [ ] allows you to create contracts for GPUs
   - [ ] allows users to vote for the upgrades of the platform