fix: correct grammatical errors in documentation comments across mult…

…iple files

crates/exex/exex/src/manager.rs

@@ -68,7 +68,7 @@ struct ExExMetrics {
 
 /// A handle to an `ExEx` used by the [`ExExManager`] to communicate with `ExEx`'s.
 ///
-/// A handle should be created for each `ExEx` with a unique ID. The channels returned by
+/// A handle should be created for each `ExEx` with an unique ID. The channels returned by
 /// [`ExExHandle::new`] should be given to the `ExEx`, while the handle itself should be given to
 /// the manager in [`ExExManager::new`].
 #[derive(Debug)]

crates/net/discv4/src/error.rs

@@ -2,7 +2,7 @@
 
 use tokio::sync::{mpsc::error::SendError, oneshot::error::RecvError};
 
-/// Error thrown when decoding a UDP packet.
+/// Error thrown when decoding an UDP packet.
 #[derive(Debug, thiserror::Error)]
 pub enum DecodePacketError {
     /// Failed to RLP decode the packet.

crates/net/discv5/src/metrics.rs

@@ -24,7 +24,7 @@ pub struct DiscoveredPeersMetrics {
     kbucket_peers_raw_total: Gauge,
     /// Total discovered peers that are inserted into [`discv5::Discv5`]'s kbuckets.
     ///
-    /// This is a subset of the total established sessions, in which all peers advertise a udp
+    /// This is a subset of the total established sessions, in which all peers advertise an udp
     /// socket in their node record which is reachable from the local node. Only these peers make
     /// it into [`discv5::Discv5`]'s kbuckets and will hence be included in queries.
     ///

crates/net/network/src/transactions/mod.rs

@@ -274,7 +274,7 @@ pub struct TransactionsManager<Pool, N: NetworkPrimitives = EthNetworkPrimitives
     command_tx: mpsc::UnboundedSender<TransactionsCommand<N>>,
     /// Incoming commands from [`TransactionsHandle`].
     ///
-    /// This will only receive commands if a user manually sends a command to the manager through
+    /// This will only receive commands if an user manually sends a command to the manager through
     /// the [`TransactionsHandle`] to interact with this type directly.
     command_rx: UnboundedReceiverStream<TransactionsCommand<N>>,
     /// A stream that yields new __pending__ transactions.

crates/node/core/src/dirs.rs

@@ -83,7 +83,7 @@ pub trait XdgPath {
     fn resolve() -> Option<PathBuf>;
 }
 
-/// A wrapper type that either parses a user-given path or defaults to an
+/// A wrapper type that either parses an user-given path or defaults to an
 /// OS-specific path.
 ///
 /// The [`FromStr`] implementation supports shell expansions and common patterns such as `~` for the

crates/node/core/src/utils.rs

@@ -17,7 +17,7 @@ use std::{
 };
 use tracing::{debug, info};
 
-/// Parses a user-specified path with support for environment variables and common shorthands (e.g.
+/// Parses an user-specified path with support for environment variables and common shorthands (e.g.
 /// ~ for the user's home directory).
 pub fn parse_path(value: &str) -> Result<PathBuf, shellexpand::LookupError<VarError>> {
     shellexpand::full(value).map(|path| PathBuf::from(path.into_owned()))