diff --git a/api/v2/apisixupstream_types.go b/api/v2/apisixupstream_types.go
index 245c2d0e..883c509f 100644
--- a/api/v2/apisixupstream_types.go
+++ b/api/v2/apisixupstream_types.go
@@ -313,9 +313,9 @@ type PassiveHealthCheckUnhealthy struct {
 	// +kubebuilder:validation:Maximum=254
 	// TCPFailures define the number of TCP failures to define an unhealthy target.
 	TCPFailures int `json:"tcpFailures,omitempty" yaml:"tcpFailures,omitempty"`
-	// Timeout sets health check timeout in seconds.
 	// +kubebuilder:validation:Minimum=1
 	// +kubebuilder:validation:Maximum=254
+	// Timeout sets the number of timeouts to define an unhealthy target.
 	Timeouts int `json:"timeout,omitempty" yaml:"timeout,omitempty"`
 }
 
diff --git a/config/crd/bases/apisix.apache.org_apisixupstreams.yaml b/config/crd/bases/apisix.apache.org_apisixupstreams.yaml
index 56284c31..a3a08cbd 100644
--- a/config/crd/bases/apisix.apache.org_apisixupstreams.yaml
+++ b/config/crd/bases/apisix.apache.org_apisixupstreams.yaml
@@ -190,7 +190,8 @@ spec:
                             minimum: 0
                             type: integer
                           timeout:
-                            description: Timeout sets health check timeout in seconds.
+                            description: Timeout sets the number of timeouts to define
+                              an unhealthy target.
                             maximum: 254
                             minimum: 1
                             type: integer
@@ -252,7 +253,8 @@ spec:
                             minimum: 0
                             type: integer
                           timeout:
-                            description: Timeout sets health check timeout in seconds.
+                            description: Timeout sets the number of timeouts to define
+                              an unhealthy target.
                             maximum: 254
                             minimum: 1
                             type: integer
@@ -447,8 +449,8 @@ spec:
                                   minimum: 0
                                   type: integer
                                 timeout:
-                                  description: Timeout sets health check timeout in
-                                    seconds.
+                                  description: Timeout sets the number of timeouts
+                                    to define an unhealthy target.
                                   maximum: 254
                                   minimum: 1
                                   type: integer
@@ -510,8 +512,8 @@ spec:
                                   minimum: 0
                                   type: integer
                                 timeout:
-                                  description: Timeout sets health check timeout in
-                                    seconds.
+                                  description: Timeout sets the number of timeouts
+                                    to define an unhealthy target.
                                   maximum: 254
                                   minimum: 1
                                   type: integer
diff --git a/docs/en/latest/reference/api-reference.md b/docs/en/latest/reference/api-reference.md
index 64b977a5..baf9166e 100644
--- a/docs/en/latest/reference/api-reference.md
+++ b/docs/en/latest/reference/api-reference.md
@@ -661,7 +661,7 @@ UpstreamActiveHealthCheckHealthy defines the conditions used to actively determi
 | `httpCodes` _integer array_ | HTTPCodes define a list of HTTP status codes that are considered unhealthy. |
 | `httpFailures` _integer_ | HTTPFailures define the number of HTTP failures to define an unhealthy target. |
 | `tcpFailures` _integer_ | TCPFailures define the number of TCP failures to define an unhealthy target. |
-| `timeout` _integer_ | Timeout sets health check timeout in seconds. |
+| `timeout` _integer_ | Timeout sets the number of timeouts to define an unhealthy target. |
 | `interval` _[Duration](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.30/#duration-v1-meta)_ | Interval defines the time interval for checking targets, in seconds. |
 
 
@@ -1528,7 +1528,7 @@ UpstreamPassiveHealthCheckUnhealthy defines the conditions used to passively det
 | `httpCodes` _integer array_ | HTTPCodes define a list of HTTP status codes that are considered unhealthy. |
 | `httpFailures` _integer_ | HTTPFailures define the number of HTTP failures to define an unhealthy target. |
 | `tcpFailures` _integer_ | TCPFailures define the number of TCP failures to define an unhealthy target. |
-| `timeout` _integer_ | Timeout sets health check timeout in seconds. |
+| `timeout` _integer_ | Timeout sets the number of timeouts to define an unhealthy target. |
 
 
 _Appears in:_