diff --git a/docs/api-references/docs.html b/docs/api-references/docs.html
index 268317ab0f..b9929e8c71 100644
--- a/docs/api-references/docs.html
+++ b/docs/api-references/docs.html
@@ -7905,8 +7905,8 @@ <h3 id="pingcap.com/v1alpha1.TiDBSpec">TiDBSpec
 </td>
 <td>
 <em>(Optional)</em>
-<p>MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited
-Optional: Defaults to 0</p>
+<p>MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
+Optional: Defaults to 3</p>
 </td>
 </tr>
 <tr>
@@ -11218,8 +11218,8 @@ <h3 id="pingcap.com/v1alpha1.TiKVSpec">TiKVSpec
 </td>
 <td>
 <em>(Optional)</em>
-<p>MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited
-Optional: Defaults to 0</p>
+<p>MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
+Optional: Defaults to 3</p>
 </td>
 </tr>
 <tr>
diff --git a/manifests/crd.yaml b/manifests/crd.yaml
index 6d0944c621..aa94ef8b83 100644
--- a/manifests/crd.yaml
+++ b/manifests/crd.yaml
@@ -3903,7 +3903,7 @@ spec:
                   type: object
                 maxFailoverCount:
                   description: 'MaxFailoverCount limit the max replicas could be added
-                    in failover, 0 means unlimited Optional: Defaults to 0'
+                    in failover, 0 means no failover Optional: Defaults to 3'
                   format: int32
                   type: integer
                 nodeSelector:
@@ -5954,7 +5954,7 @@ spec:
                   type: object
                 maxFailoverCount:
                   description: 'MaxFailoverCount limit the max replicas could be added
-                    in failover, 0 means unlimited Optional: Defaults to 0'
+                    in failover, 0 means no failover Optional: Defaults to 3'
                   format: int32
                   type: integer
                 nodeSelector:
diff --git a/pkg/apis/pingcap/v1alpha1/openapi_generated.go b/pkg/apis/pingcap/v1alpha1/openapi_generated.go
index 30af9d4d4e..7ed18c4e9d 100644
--- a/pkg/apis/pingcap/v1alpha1/openapi_generated.go
+++ b/pkg/apis/pingcap/v1alpha1/openapi_generated.go
@@ -3852,7 +3852,7 @@ func schema_pkg_apis_pingcap_v1alpha1_TiDBSpec(ref common.ReferenceCallback) com
 					},
 					"maxFailoverCount": {
 						SchemaProps: spec.SchemaProps{
-							Description: "MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited Optional: Defaults to 0",
+							Description: "MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover Optional: Defaults to 3",
 							Type:        []string{"integer"},
 							Format:      "int32",
 						},
@@ -5706,7 +5706,7 @@ func schema_pkg_apis_pingcap_v1alpha1_TiKVSpec(ref common.ReferenceCallback) com
 					},
 					"maxFailoverCount": {
 						SchemaProps: spec.SchemaProps{
-							Description: "MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited Optional: Defaults to 0",
+							Description: "MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover Optional: Defaults to 3",
 							Type:        []string{"integer"},
 							Format:      "int32",
 						},
diff --git a/pkg/apis/pingcap/v1alpha1/types.go b/pkg/apis/pingcap/v1alpha1/types.go
index ba5fefcbd2..490a0c8858 100644
--- a/pkg/apis/pingcap/v1alpha1/types.go
+++ b/pkg/apis/pingcap/v1alpha1/types.go
@@ -257,8 +257,8 @@ type TiKVSpec struct {
 	// +optional
 	Privileged *bool `json:"privileged,omitempty"`
 
-	// MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited
-	// Optional: Defaults to 0
+	// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
+	// Optional: Defaults to 3
 	// +kubebuilder:validation:Minimum=0
 	// +optional
 	MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`
@@ -304,8 +304,8 @@ type TiDBSpec struct {
 	// +optional
 	EnableAdvertiseAddress *bool `json:"enableAdvertiseAddress,omitempty"`
 
-	// MaxFailoverCount limit the max replicas could be added in failover, 0 means unlimited
-	// Optional: Defaults to 0
+	// MaxFailoverCount limit the max replicas could be added in failover, 0 means no failover
+	// Optional: Defaults to 3
 	// +kubebuilder:validation:Minimum=0
 	// +optional
 	MaxFailoverCount *int32 `json:"maxFailoverCount,omitempty"`