diff --git a/node/src/reactor/queue_kind.rs b/node/src/reactor/queue_kind.rs
index 628ccc0ee6..f90822bc88 100644
--- a/node/src/reactor/queue_kind.rs
+++ b/node/src/reactor/queue_kind.rs
@@ -20,7 +20,7 @@ pub enum QueueKind {
     Control,
     /// Network events that were initiated outside of this node.
     ///
-    /// Their load may vary and grouping them together in one queue aides DoS protection.
+    /// Their load may vary and grouping them together in one queue aids DoS protection.
     NetworkIncoming,
     /// Network events that are low priority.
     NetworkLowPriority,
diff --git a/node/src/utils/specimen.rs b/node/src/utils/specimen.rs
index 43e5cea633..de8b065b3e 100644
--- a/node/src/utils/specimen.rs
+++ b/node/src/utils/specimen.rs
@@ -1086,7 +1086,7 @@ impl LargestSpecimen for ExecutableDeployItem {
         //
         // However, this does not hold true for all encoding schemes: An inefficient encoding can
         // easily, via `RuntimeArgs`, result in a much larger encoded size, e.g. when encoding an
-        // array of 1-byte elements in a format that uses string quoting and a delimiter to seperate
+        // array of 1-byte elements in a format that uses string quoting and a delimiter to separate
         // elements.
         //
         // We compromise by not supporting encodings this inefficient and add 10 * a 32-bit integer
diff --git a/storage/src/system/auction/detail.rs b/storage/src/system/auction/detail.rs
index 8b29d5ba00..3ddd1cf8f9 100644
--- a/storage/src/system/auction/detail.rs
+++ b/storage/src/system/auction/detail.rs
@@ -900,7 +900,7 @@ where
         )
         .map_err(|_| Error::TransferToDelegatorPurse)?
         .map_err(|mint_error| {
-            // Propagate mint contract's error that occured during execution of transfer
+            // Propagate mint contract's error that occurred during execution of transfer
             // entrypoint. This will improve UX in case of (for example)
             // unapproved spending limit error.
             ApiError::from(mint_error)