diff --git a/.github/workflows/codespell.yaml b/.github/workflows/codespell.yaml
index 62b99fe72..2fbd8cc7f 100644
--- a/.github/workflows/codespell.yaml
+++ b/.github/workflows/codespell.yaml
@@ -18,6 +18,15 @@ jobs:
         uses: codespell-project/actions-codespell@master
         with:
           skip: .git,*.png,*.jpg,*.svg,*.sum
-          ignore_words_list: aks,keyserver,atleast,dne,ser,ist,files',ba,dum,iam,te,parm,assigment
+          # aks: Amazon Kubernetes Service
+          # keyserver: flag to apt-key
+          # atleast: codespell wants to flag any 'AtLeast' method
+          # ser, ist: MIME types in pkg/operator/ceph/object/mime.go
+          # ba: daemon ID test in pkg/operator/k8sutil/name_test.go
+          # iam: Identity and Access Management, e.g., AWS IAM
+          # te: udev persistent naming test in pkg/daemon/ceph/osd/daemon_test.go
+          # parm: modinfo parameter
+          # assigment: inherited from K8s TopologySpreadConstraints dependency
+          ignore_words_list: aks,keyserver,atleast,ser,ist,ba,iam,te,parm,assigment
           check_filenames: true
           check_hidden: true
diff --git a/pkg/operator/ceph/cluster/predicate_test.go b/pkg/operator/ceph/cluster/predicate_test.go
index 8575ade35..aaec26afa 100644
--- a/pkg/operator/ceph/cluster/predicate_test.go
+++ b/pkg/operator/ceph/cluster/predicate_test.go
@@ -25,22 +25,18 @@ import (
 )
 
 func TestIsHotPlugCM(t *testing.T) {
-	dum := &cephv1.CephBlockPool{}
+	blockPool := &cephv1.CephBlockPool{}
 
-	b := isHotPlugCM(dum)
-	assert.False(t, b)
+	assert.False(t, isHotPlugCM(blockPool))
 
 	cm := &corev1.ConfigMap{}
-	b = isHotPlugCM(cm)
-	assert.False(t, b)
+	assert.False(t, isHotPlugCM(cm))
 
 	cm.Labels = map[string]string{
 		"foo": "bar",
 	}
-	b = isHotPlugCM(cm)
-	assert.False(t, b)
+	assert.False(t, isHotPlugCM(cm))
 
 	cm.Labels["app"] = "rook-discover"
-	b = isHotPlugCM(cm)
-	assert.True(t, b)
+	assert.True(t, isHotPlugCM(cm))
 }
diff --git a/pkg/operator/ceph/cluster/watcher_test.go b/pkg/operator/ceph/cluster/watcher_test.go
index e6b76615e..5bcb49210 100644
--- a/pkg/operator/ceph/cluster/watcher_test.go
+++ b/pkg/operator/ceph/cluster/watcher_test.go
@@ -37,7 +37,7 @@ func TestOnDeviceCMUpdate(t *testing.T) {
 	capnslog.SetGlobalLogLevel(capnslog.DEBUG)
 	os.Setenv("ROOK_LOG_LEVEL", "DEBUG")
 
-	dum := &corev1.Service{}
+	service := &corev1.Service{}
 	ns := "rook-ceph"
 	// Register operator types with the runtime scheme.
 	s := scheme.Scheme
@@ -63,7 +63,7 @@ func TestOnDeviceCMUpdate(t *testing.T) {
 	clientCluster := newClientCluster(cl, ns, &clusterd.Context{})
 
 	// Dummy object
-	b := clientCluster.onDeviceCMUpdate(dum, dum)
+	b := clientCluster.onDeviceCMUpdate(service, service)
 	assert.False(t, b)
 
 	// No Data in the cm
diff --git a/pkg/operator/ceph/controller/predicate_test.go b/pkg/operator/ceph/controller/predicate_test.go
index 491e16d29..8609d6c41 100644
--- a/pkg/operator/ceph/controller/predicate_test.go
+++ b/pkg/operator/ceph/controller/predicate_test.go
@@ -138,81 +138,62 @@ func TestIsValidEvent(t *testing.T) {
 }
 
 func TestIsCanary(t *testing.T) {
-	dum := &cephv1.CephBlockPool{}
+	blockPool := &cephv1.CephBlockPool{}
 
-	b := isCanary(dum)
-	assert.False(t, b)
+	assert.False(t, isCanary(blockPool))
 
 	d := &appsv1.Deployment{}
-	b = isCanary(d)
-	assert.False(t, b)
+	assert.False(t, isCanary(d))
 
 	d.Labels = map[string]string{
 		"foo": "bar",
 	}
-	b = isCanary(d)
-	assert.False(t, b)
+	assert.False(t, isCanary(d))
 
 	d.Labels["mon_canary"] = "true"
-	b = isCanary(d)
-	assert.True(t, b)
+	assert.True(t, isCanary(d))
 }
 
 func TestIsCMToIgnoreOnUpdate(t *testing.T) {
-	dum := &cephv1.CephBlockPool{}
-
-	b := isCMTConfigOverride(dum)
-	assert.False(t, b)
+	blockPool := &cephv1.CephBlockPool{}
+	assert.False(t, isCMTConfigOverride(blockPool))
 
 	cm := &corev1.ConfigMap{}
-	b = isCMTConfigOverride(cm)
-	assert.False(t, b)
+	assert.False(t, isCMTConfigOverride(cm))
 
 	cm.Name = "rook-ceph-mon-endpoints"
-	b = isCMTConfigOverride(cm)
-	assert.False(t, b)
+	assert.False(t, isCMTConfigOverride(cm))
 
 	cm.Name = "rook-config-override"
-	b = isCMTConfigOverride(cm)
-	assert.True(t, b)
+	assert.True(t, isCMTConfigOverride(cm))
 }
 
 func TestIsCMToIgnoreOnDelete(t *testing.T) {
-	dum := &cephv1.CephBlockPool{}
-
-	b := isCMToIgnoreOnDelete(dum)
-	assert.False(t, b)
+	blockPool := &cephv1.CephBlockPool{}
+	assert.False(t, isCMToIgnoreOnDelete(blockPool))
 
 	cm := &corev1.ConfigMap{}
-	b = isCMToIgnoreOnDelete(cm)
-	assert.False(t, b)
+	assert.False(t, isCMToIgnoreOnDelete(cm))
 
 	cm.Name = "rook-ceph-mon-endpoints"
-	b = isCMToIgnoreOnDelete(cm)
-	assert.False(t, b)
+	assert.False(t, isCMToIgnoreOnDelete(cm))
 
 	cm.Name = "rook-ceph-osd-minikube-status"
-	b = isCMToIgnoreOnDelete(cm)
-	assert.True(t, b)
+	assert.True(t, isCMToIgnoreOnDelete(cm))
 }
 
 func TestIsSecretToIgnoreOnUpdate(t *testing.T) {
-	dum := &cephv1.CephBlockPool{}
-
-	b := isSecretToIgnoreOnUpdate(dum)
-	assert.False(t, b)
+	blockPool := &cephv1.CephBlockPool{}
+	assert.False(t, isSecretToIgnoreOnUpdate(blockPool))
 
 	s := &corev1.Secret{}
-	b = isSecretToIgnoreOnUpdate(s)
-	assert.False(t, b)
+	assert.False(t, isSecretToIgnoreOnUpdate(s))
 
 	s.Name = "foo"
-	b = isSecretToIgnoreOnUpdate(s)
-	assert.False(t, b)
+	assert.False(t, isSecretToIgnoreOnUpdate(s))
 
 	s.Name = config.StoreName
-	b = isSecretToIgnoreOnUpdate(s)
-	assert.True(t, b)
+	assert.True(t, isSecretToIgnoreOnUpdate(s))
 }
 
 func TestIsDoNotReconcile(t *testing.T) {
diff --git a/pkg/operator/nfs/server.go b/pkg/operator/nfs/server.go
index c25c8ec77..a61785c13 100644
--- a/pkg/operator/nfs/server.go
+++ b/pkg/operator/nfs/server.go
@@ -53,7 +53,7 @@ func Setup(ganeshaConfig string) error {
 
 	err := setRlimitNOFILE()
 	if err != nil {
-		logger.Warningf("Error setting RLIMIT_NOFILE, there may be 'Too many open files' errors later: %v", err)
+		logger.Warningf("Error setting RLIMIT_NOFILE, there may be \"Too many open files\" errors later: %v", err)
 	}
 	return nil
 }
diff --git a/pkg/operator/test/volumes_test.go b/pkg/operator/test/volumes_test.go
index 1b6eeb6ce..4680e8cb8 100644
--- a/pkg/operator/test/volumes_test.go
+++ b/pkg/operator/test/volumes_test.go
@@ -19,7 +19,7 @@ package test
 import (
 	"testing"
 
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 )
 
 func TestVolumeExists(t *testing.T) {
@@ -34,7 +34,7 @@ func TestVolumeExists(t *testing.T) {
 		wantErr bool
 	}{
 		{"exists", args{"d", vols}, false},
-		{"dne", args{"c", vols}, true},
+		{"does-not-exist", args{"c", vols}, true},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -122,7 +122,7 @@ func TestVolumeMountExists(t *testing.T) {
 		wantErr bool
 	}{
 		{"exists", args{"d", mounts}, false},
-		{"dne", args{"c", mounts}, true},
+		{"does-not-exist", args{"c", mounts}, true},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {