diff --git a/.github/workflows/codespell.yaml b/.github/workflows/codespell.yaml
index 774c020cb68..7c3a45d42b2 100644
--- a/.github/workflows/codespell.yaml
+++ b/.github/workflows/codespell.yaml
@@ -12,3 +12,4 @@ jobs:
         uses: actions/checkout@v4
       - name: Codespell
         run: make codespell
+      - run: make check-clean-work-tree
diff --git a/baggage/baggage.go b/baggage/baggage.go
index b3569e95e5c..36f5367030c 100644
--- a/baggage/baggage.go
+++ b/baggage/baggage.go
@@ -50,7 +50,7 @@ type Property struct {
 // component boundaries may impose their own restrictions on Property key.
 // For example, the W3C Baggage specification restricts the Property keys to strings that
 // satisfy the token definition from RFC7230, Section 3.2.6.
-// For maximum compatibility, alpha-numeric value are strongly recommended to be used as Property key.
+// For maximum compatibility, alphanumeric value are strongly recommended to be used as Property key.
 func NewKeyProperty(key string) (Property, error) {
 	if !validateBaggageName(key) {
 		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidKey, key)
@@ -90,7 +90,7 @@ func NewKeyValueProperty(key, value string) (Property, error) {
 // component boundaries may impose their own restrictions on Property key.
 // For example, the W3C Baggage specification restricts the Property keys to strings that
 // satisfy the token definition from RFC7230, Section 3.2.6.
-// For maximum compatibility, alpha-numeric value are strongly recommended to be used as Property key.
+// For maximum compatibility, alphanumeric value are strongly recommended to be used as Property key.
 func NewKeyValuePropertyRaw(key, value string) (Property, error) {
 	if !validateBaggageName(key) {
 		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidKey, key)
@@ -287,7 +287,7 @@ func NewMember(key, value string, props ...Property) (Member, error) {
 // component boundaries may impose their own restrictions on baggage key.
 // For example, the W3C Baggage specification restricts the baggage keys to strings that
 // satisfy the token definition from RFC7230, Section 3.2.6.
-// For maximum compatibility, alpha-numeric value are strongly recommended to be used as baggage key.
+// For maximum compatibility, alphanumeric value are strongly recommended to be used as baggage key.
 func NewMemberRaw(key, value string, props ...Property) (Member, error) {
 	m := Member{
 		key:        key,
diff --git a/sdk/metric/internal/exemplar/filtered_reservoir.go b/sdk/metric/internal/exemplar/filtered_reservoir.go
index 9fedfa4be68..9a047cfa091 100644
--- a/sdk/metric/internal/exemplar/filtered_reservoir.go
+++ b/sdk/metric/internal/exemplar/filtered_reservoir.go
@@ -41,7 +41,7 @@ func NewFilteredReservoir[N int64 | float64](f Filter, r Reservoir) FilteredRese
 
 func (f *filteredReservoir[N]) Offer(ctx context.Context, val N, attr []attribute.KeyValue) {
 	if f.filter(ctx) {
-		// only record the current time if we are sampling this measurment.
+		// only record the current time if we are sampling this measurement.
 		f.reservoir.Offer(ctx, time.Now(), NewValue(val), attr)
 	}
 }