diff --git a/src/model/block.rs b/src/model/block.rs
index 89685630..5f428fe1 100644
--- a/src/model/block.rs
+++ b/src/model/block.rs
@@ -250,7 +250,6 @@ impl BlockManager {
 	}
 
 	/// Decrement the number of time a block is used
-	// when counter reach 0, it seems not put to resync which I assume put it to gc?
 	pub fn block_decref(&self, hash: &Hash) -> Result<(), Error> {
 		let new_rc = self.rc.update_and_fetch(&hash, |old| {
 			let old_v = old.map(u64_from_be_bytes).unwrap_or(0);
diff --git a/src/model/bucket_table.rs b/src/model/bucket_table.rs
index 8198deb7..6a4b021d 100644
--- a/src/model/bucket_table.rs
+++ b/src/model/bucket_table.rs
@@ -57,7 +57,7 @@ impl CRDT for BucketParams {
 }
 
 impl BucketParams {
-	/// Create a new default `BucketParams`
+	/// Initializes a new instance of the Bucket struct
 	pub fn new() -> Self {
 		BucketParams {
 			authorized_keys: crdt::LWWMap::new(),
@@ -75,7 +75,7 @@ impl Bucket {
 		}
 	}
 
-	/// Query if bucket is deleted
+	/// Returns true if this represents a deleted bucket
 	pub fn is_deleted(&self) -> bool {
 		*self.state.get() == BucketState::Deleted
 	}
@@ -113,10 +113,6 @@ impl TableSchema for BucketTable {
 	type E = Bucket;
 	type Filter = DeletedFilter;
 
-	fn updated(&self, _old: Option<Self::E>, _new: Option<Self::E>) {
-		// nothing to do when updated
-	}
-
 	fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool {
 		filter.apply(entry.is_deleted())
 	}
diff --git a/src/model/key_table.rs b/src/model/key_table.rs
index e1dcd7f4..578f8683 100644
--- a/src/model/key_table.rs
+++ b/src/model/key_table.rs
@@ -125,10 +125,6 @@ impl TableSchema for KeyTable {
 	type E = Key;
 	type Filter = KeyFilter;
 
-	fn updated(&self, _old: Option<Self::E>, _new: Option<Self::E>) {
-		// nothing to do when updated
-	}
-
 	fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool {
 		match filter {
 			KeyFilter::Deleted(df) => df.apply(entry.deleted.get()),
diff --git a/src/rpc/membership.rs b/src/rpc/membership.rs
index 4fce1a7b..5f7bbc96 100644
--- a/src/rpc/membership.rs
+++ b/src/rpc/membership.rs
@@ -417,8 +417,8 @@ impl System {
 				}
 			} else if let Some(id) = id_option {
 				if let Some(st) = status.nodes.get_mut(id) {
-					// TODO this might double-increment the value as the counter is already
-					// incremented for any kind of failure in rpc_client
+					// we need to increment failure counter as call was done using by_addr so the
+					// counter was not auto-incremented
 					st.num_failures.fetch_add(1, Ordering::SeqCst);
 					if !st.is_up() {
 						warn!("Node {:?} seems to be down.", id);
diff --git a/src/rpc/ring.rs b/src/rpc/ring.rs
index 04f8b590..bffd7f1f 100644
--- a/src/rpc/ring.rs
+++ b/src/rpc/ring.rs
@@ -28,7 +28,7 @@ const PARTITION_MASK_U16: u16 = ((1 << PARTITION_BITS) - 1) << (16 - PARTITION_B
 /// The maximum number of time an object might get replicated
 pub const MAX_REPLICATION: usize = 3;
 
-/// The versionned configurations of all nodes known in the network
+/// The user-defined configuration of the cluster's nodes
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct NetworkConfig {
 	/// Map of each node's id to it's configuration
diff --git a/src/table/schema.rs b/src/table/schema.rs
index c17ccc15..13517271 100644
--- a/src/table/schema.rs
+++ b/src/table/schema.rs
@@ -76,7 +76,7 @@ pub trait TableSchema: Send + Sync {
 	// as the update itself is an unchangeable fact that will never go back
 	// due to CRDT logic. Typically errors in propagation of info should be logged
 	// to stderr.
-	fn updated(&self, old: Option<Self::E>, new: Option<Self::E>);
+	fn updated(&self, _old: Option<Self::E>, _new: Option<Self::E>) {}
 
 	fn matches_filter(entry: &Self::E, filter: &Self::Filter) -> bool;
 }