diff --git a/api/src/state/boost.rs b/api/src/state/boost.rs
index 977da0f..7d953b2 100644
--- a/api/src/state/boost.rs
+++ b/api/src/state/boost.rs
@@ -2,7 +2,7 @@ use steel::*;
 
 use super::BoostAccount;
 
-/// Boost ...
+/// Boost tracks the mining multiplier and stake deposits of a boost account.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Boost {
diff --git a/api/src/state/checkpoint.rs b/api/src/state/checkpoint.rs
index fc79be6..5738f57 100644
--- a/api/src/state/checkpoint.rs
+++ b/api/src/state/checkpoint.rs
@@ -2,7 +2,7 @@ use steel::*;
 
 use super::BoostAccount;
 
-/// Checkpoint ...
+/// Checkpoint holds the checkpoint state of a particular boost.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Checkpoint {
@@ -18,7 +18,7 @@ pub struct Checkpoint {
     /// The number of total stakers in this checkpoint.
     pub total_stakers: u64,
 
-    /// The total amount of rewards to distribute.
+    /// The total amount of rewards to distribute in this checkpoint.
     pub total_rewards: u64,
 
     /// The timestamp of when the last checkpoint finished.
diff --git a/api/src/state/config.rs b/api/src/state/config.rs
index d2304e2..0239af4 100644
--- a/api/src/state/config.rs
+++ b/api/src/state/config.rs
@@ -2,7 +2,7 @@ use steel::*;
 
 use super::BoostAccount;
 
-/// Config ...
+/// Config holds global program config variables.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Config {
diff --git a/api/src/state/directory.rs b/api/src/state/directory.rs
index d32cbf4..9b01bf5 100644
--- a/api/src/state/directory.rs
+++ b/api/src/state/directory.rs
@@ -1,7 +1,7 @@
 use steel::*;
 use super::BoostAccount;
 
-/// Directory ...
+/// Directory holds the list of active boosts.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Directory {    
diff --git a/api/src/state/reservation.rs b/api/src/state/reservation.rs
index 1dfa14e..0376312 100644
--- a/api/src/state/reservation.rs
+++ b/api/src/state/reservation.rs
@@ -2,7 +2,7 @@ use steel::*;
 
 use super::BoostAccount;
 
-/// Boost ...
+/// Reservation tracks the current boost that a miner is allowed to use.
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Reservation {
diff --git a/api/src/state/stake.rs b/api/src/state/stake.rs
index 51c0f0e..1a7ea0f 100644
--- a/api/src/state/stake.rs
+++ b/api/src/state/stake.rs
@@ -2,7 +2,7 @@ use steel::*;
 
 use super::BoostAccount;
 
-/// Stake ...
+/// Stake holds onto the deposits and yield of a boost staker. 
 #[repr(C)]
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
 pub struct Stake {
diff --git a/program/src/deposit.rs b/program/src/deposit.rs
index 7b458ba..37d7a8d 100644
--- a/program/src/deposit.rs
+++ b/program/src/deposit.rs
@@ -1,7 +1,7 @@
 use ore_boost_api::prelude::*;
 use steel::*;
 
-/// Deposit adds tokens to a stake account to earn a multiplier.
+/// Deposit adds tokens to a stake account.
 pub fn process_deposit(accounts: &[AccountInfo<'_>], data: &[u8]) -> ProgramResult {
     // Parse args.
     let args = Deposit::try_from_bytes(data)?;
diff --git a/program/src/open.rs b/program/src/open.rs
index 517407b..024023b 100644
--- a/program/src/open.rs
+++ b/program/src/open.rs
@@ -40,6 +40,7 @@ pub fn process_open(accounts: &[AccountInfo<'_>], _data: &[u8]) -> ProgramResult
     stake.boost = *boost_info.key;
     stake.id = boost.total_stakers;
     stake.last_deposit_at = clock.unix_timestamp;
+    stake.rewards = 0;
 
     // Increment the total number of stakers.
     boost.total_stakers = boost.total_stakers.checked_add(1).unwrap();