diff --git a/src/lib.rs b/src/lib.rs
index b8e702e..9ccc15d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2359,14 +2359,14 @@ impl CKAN {
     #[builder]
     pub async fn config_option_update(
         &self,
-        custom_fields: Option<serde_json::Value>,
+        options: Option<serde_json::Value>,
     ) -> Result<serde_json::Value, Box<dyn std::error::Error>> {
         let endpoint = self.url.clone() + "/api/3/action/config_option_update";
         let mut map: HashMap<&str, serde_json::Value> = HashMap::new();
         let mut custom_map: HashMap<String, serde_json::Value> = HashMap::new();
-        if let Some(custom) = custom_fields {
-            if custom.is_object() {
-                let custom_temp_map = custom.as_object().unwrap();
+        if let Some(options_obj) = options {
+            if options_obj.is_object() {
+                let custom_temp_map = options_obj.as_object().unwrap();
                 custom_map.extend(
                     custom_temp_map
                         .iter()