docs: fix incorrect CLI help and a garbled doc comment

src/cli/subcommands/healthcheck_cmd.rs

@@ -24,7 +24,7 @@ pub enum HealthcheckCommand {
     },
     /// Display liveness status
     Live {
-        /// Don't exit until node is ready
+        /// Don't exit until node is live
         #[arg(long)]
         wait: bool,
         /// Healthcheck port
@@ -33,7 +33,7 @@ pub enum HealthcheckCommand {
     },
     /// Display health status
     Healthy {
-        /// Don't exit until node is ready
+        /// Don't exit until node is healthy
         #[arg(long)]
         wait: bool,
         /// Healthcheck port

src/rpc/methods/eth/filter/mod.rs

@@ -414,7 +414,7 @@ impl EthEventHandler {
 
     /// Collects the tipset's events from already-loaded executed messages, keeping those that
     /// match `spec` and tagging each with `revert_status`. Use [`Self::collect_events`] instead
-    /// wages sthen the executed messill need to be loaded.
+    /// when the executed messages still need to be loaded.
     pub async fn collect_events_from_messages(
         state_manager: &StateManager,
         tipset: &Tipset,

src/wallet/subcommands/wallet_cmd.rs

@@ -306,7 +306,7 @@ pub enum WalletCommands {
         amount: TokenAmount,
         #[arg(long, value_parser = humantoken::parse, default_value_t = TokenAmount::zero())]
         gas_feecap: TokenAmount,
-        /// In milliGas
+        /// The gas limit in gas units. `0` lets the node estimate it.
         #[arg(long, default_value_t = 0)]
         gas_limit: i64,
         #[arg(long, value_parser = humantoken::parse, default_value_t = TokenAmount::zero())]