diff --git a/administration/configuring-fluent-bit/classic-mode/configuration-file.md b/administration/configuring-fluent-bit/classic-mode/configuration-file.md
index b247fe992..60edb21e2 100644
--- a/administration/configuring-fluent-bit/classic-mode/configuration-file.md
+++ b/administration/configuring-fluent-bit/classic-mode/configuration-file.md
@@ -39,6 +39,7 @@ The _Service_ section defines global properties of the service, the keys availab
 | scheduler.cap   | Set a maximum retry time in second. The property is supported from v1.8.7.                                                                                                                                                                                                                              | 2000          |
 | scheduler.base  | Set a base of exponential backoff. The property is supported from v1.8.7.                                                                                                                                                                                                                               | 5             |
 | json.convert_nan_to_null | If enabled, NaN is converted to null when fluent-bit converts msgpack to json.    | false         |
+| sp.convert_from_str_to_num | If enabled, Stream processor converts from number string to number type.        | true          |
 
 The following is an example of a _SERVICE_ section:
 
diff --git a/administration/configuring-fluent-bit/yaml/configuration-file.md b/administration/configuring-fluent-bit/yaml/configuration-file.md
index aa9dce7f5..0160ccfe3 100644
--- a/administration/configuring-fluent-bit/yaml/configuration-file.md
+++ b/administration/configuring-fluent-bit/yaml/configuration-file.md
@@ -76,6 +76,7 @@ The _service_ section defines the global properties of the service. The Service
 | scheduler.cap   | Set a maximum retry time in seconds. The property is supported from v1.8.7.                                                                                                                                                                                                                             | 2000          |
 | scheduler.base  | Sets the base of exponential backoff. The property is supported from v1.8.7.                                                                                                                                                                                                                          | 5             |
 | json.convert_nan_to_null | If enabled, NaN is converted to null when fluent-bit converts msgpack to json.    | false         |
+| sp.convert_from_str_to_num | If enabled, Stream processor converts from number string to number type.        | true          |
 
 The following is an example of a _service_ section: