diff --git a/docs/docs.go b/docs/docs.go
index 47679b7d..cdf4f6e9 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -261,6 +261,9 @@ const docTemplate = `{
         "retry.ExpRetryConfig": {
             "type": "object",
             "properties": {
+                "base_multiplier": {
+                    "type": "integer"
+                },
                 "max_delay": {
                     "type": "integer"
                 },
@@ -291,7 +294,7 @@ const docTemplate = `{
                     }
                 },
                 "retry": {
-                    "description": "TODO: how to specify other backoff strategies?",
+                    "description": "retry when no healthy model is available to router",
                     "allOf": [
                         {
                             "$ref": "#/definitions/retry.ExpRetryConfig"
diff --git a/docs/swagger.json b/docs/swagger.json
index 822bb8e5..770fc6ef 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -258,6 +258,9 @@
         "retry.ExpRetryConfig": {
             "type": "object",
             "properties": {
+                "base_multiplier": {
+                    "type": "integer"
+                },
                 "max_delay": {
                     "type": "integer"
                 },
@@ -288,7 +291,7 @@
                     }
                 },
                 "retry": {
-                    "description": "TODO: how to specify other backoff strategies?",
+                    "description": "retry when no healthy model is available to router",
                     "allOf": [
                         {
                             "$ref": "#/definitions/retry.ExpRetryConfig"
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 0d6e5720..748588d8 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -90,6 +90,8 @@ definitions:
     type: object
   retry.ExpRetryConfig:
     properties:
+      base_multiplier:
+        type: integer
       max_delay:
         type: integer
       max_retries:
@@ -110,7 +112,7 @@ definitions:
       retry:
         allOf:
         - $ref: '#/definitions/retry.ExpRetryConfig'
-        description: 'TODO: how to specify other backoff strategies?'
+        description: retry when no healthy model is available to router
       routers:
         description: Unique router ID
         type: string