diff --git a/src/main/java/com/binance/connector/client/impl/WebSocketApiModuleFactory.java b/src/main/java/com/binance/connector/client/impl/WebSocketApiModuleFactory.java
index d8dfc2d..ee54db0 100644
--- a/src/main/java/com/binance/connector/client/impl/WebSocketApiModuleFactory.java
+++ b/src/main/java/com/binance/connector/client/impl/WebSocketApiModuleFactory.java
@@ -39,8 +39,8 @@ private static WebSocketApiModule obtainModule(WebSocketApiModule module, Module
      * Build WebSocketApiModule for the given WebSocket API category if it does not exist yet.
      * Otherwise, return the existing one.
      * 
-     * @param category
-     * @param requestHandler
+     * @param category WebSocket API Category
+     * @param requestHandler WebSocketApiRequestHandler
      * @return WebSocketApiModule
      */
     public static WebSocketApiModule build(Category category, WebSocketApiRequestHandler requestHandler) {
diff --git a/src/main/java/com/binance/connector/client/impl/spot/Margin.java b/src/main/java/com/binance/connector/client/impl/spot/Margin.java
index ce0305a..4313d2a 100644
--- a/src/main/java/com/binance/connector/client/impl/spot/Margin.java
+++ b/src/main/java/com/binance/connector/client/impl/spot/Margin.java
@@ -1066,7 +1066,7 @@ public String availableInventory(Map<String, Object> parameters) {
      * type -- optional/string -- MARGIN, ISOLATED <br>
      * startTime -- optional/long -- Only supports querying the data of the last 90 days <br>
      * endTime -- optional/long -- UTC timestamp in ms <br>
-     * fromId -- optional/long -- If fromId is set, the data with "id" > "fromId" will be returned. Otherwise the latest data will be returned <br>
+     * fromId -- optional/long -- If fromId is set, the data with "id" above "fromId" will be returned. Otherwise the latest data will be returned <br>
      * limit -- optional/long -- The number of data items returned each time is limited. Default 500; Max 1000. <br>
      * recvWindow -- optional/long -- The value cannot be greater than 60000 <br>
      * @return String