diff --git a/artifacts/apidocs/market_data_streams.md b/artifacts/apidocs/market_data_streams.md
index 44097f0..f0d29db 100644
--- a/artifacts/apidocs/market_data_streams.md
+++ b/artifacts/apidocs/market_data_streams.md
@@ -76,7 +76,7 @@ STREAM: v1.mini.s
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |MiniTicker|True|A mini ticker matching the request filter|
         ??? info "[MiniTicker](/../../schemas/mini_ticker)"
@@ -375,7 +375,7 @@ STREAM: v1.mini.d
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |MiniTicker|True|A mini ticker matching the request filter|
         ??? info "[MiniTicker](/../../schemas/mini_ticker)"
@@ -674,7 +674,7 @@ STREAM: v1.ticker.s
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |Ticker|True|A ticker matching the request filter|
         ??? info "[Ticker](/../../schemas/ticker)"
@@ -1014,7 +1014,7 @@ STREAM: v1.ticker.d
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |Ticker|True|A ticker matching the request filter|
         ??? info "[Ticker](/../../schemas/ticker)"
@@ -1356,7 +1356,7 @@ STREAM: v1.book.s
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |OrderbookLevels|True|An orderbook levels object matching the request filter|
         ??? info "[OrderbookLevels](/../../schemas/orderbook_levels)"
@@ -1669,7 +1669,7 @@ STREAM: v1.book.d
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |OrderbookLevels|True|An orderbook levels object matching the request filter|
         ??? info "[OrderbookLevels](/../../schemas/orderbook_levels)"
@@ -1976,7 +1976,7 @@ STREAM: v1.trade
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |Trade|True|A public trade matching the request filter|
         ??? info "[Trade](/../../schemas/trade)"
@@ -2308,7 +2308,7 @@ STREAM: v1.candle
         |Name<br>`Lite`|Type|Required<br>`Default`| Description |
         |-|-|-|-|
         |stream<br>`s` |string|True|Stream name|
-        |selector<br>`s1` |string|True|Primary selector|
+        |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
         |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
         |feed<br>`f` |Candlestick|True|A candlestick entry matching the request filters|
         ??? info "[Candlestick](/../../schemas/candlestick)"
diff --git a/artifacts/apidocs/schemas/ws_candlestick_feed_data_v1.md b/artifacts/apidocs/schemas/ws_candlestick_feed_data_v1.md
index 79dbe65..5077b54 100644
--- a/artifacts/apidocs/schemas/ws_candlestick_feed_data_v1.md
+++ b/artifacts/apidocs/schemas/ws_candlestick_feed_data_v1.md
@@ -2,7 +2,7 @@
     |Name<br>`Lite`|Type|Required<br>`Default`| Description |
     |-|-|-|-|
     |stream<br>`s` |string|True|Stream name|
-    |selector<br>`s1` |string|True|Primary selector|
+    |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
     |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
     |feed<br>`f` |Candlestick|True|A candlestick entry matching the request filters|
     ??? info "[Candlestick](/../../schemas/candlestick)"
diff --git a/artifacts/apidocs/schemas/ws_mini_ticker_feed_data_v1.md b/artifacts/apidocs/schemas/ws_mini_ticker_feed_data_v1.md
index b04fa9c..68d8a1d 100644
--- a/artifacts/apidocs/schemas/ws_mini_ticker_feed_data_v1.md
+++ b/artifacts/apidocs/schemas/ws_mini_ticker_feed_data_v1.md
@@ -2,7 +2,7 @@
     |Name<br>`Lite`|Type|Required<br>`Default`| Description |
     |-|-|-|-|
     |stream<br>`s` |string|True|Stream name|
-    |selector<br>`s1` |string|True|Primary selector|
+    |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
     |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
     |feed<br>`f` |MiniTicker|True|A mini ticker matching the request filter|
     ??? info "[MiniTicker](/../../schemas/mini_ticker)"
diff --git a/artifacts/apidocs/schemas/ws_orderbook_levels_feed_data_v1.md b/artifacts/apidocs/schemas/ws_orderbook_levels_feed_data_v1.md
index c56da8e..a0f87f3 100644
--- a/artifacts/apidocs/schemas/ws_orderbook_levels_feed_data_v1.md
+++ b/artifacts/apidocs/schemas/ws_orderbook_levels_feed_data_v1.md
@@ -2,7 +2,7 @@
     |Name<br>`Lite`|Type|Required<br>`Default`| Description |
     |-|-|-|-|
     |stream<br>`s` |string|True|Stream name|
-    |selector<br>`s1` |string|True|Primary selector|
+    |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
     |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
     |feed<br>`f` |OrderbookLevels|True|An orderbook levels object matching the request filter|
     ??? info "[OrderbookLevels](/../../schemas/orderbook_levels)"
diff --git a/artifacts/apidocs/schemas/ws_ticker_feed_data_v1.md b/artifacts/apidocs/schemas/ws_ticker_feed_data_v1.md
index 0fd0c0d..003542a 100644
--- a/artifacts/apidocs/schemas/ws_ticker_feed_data_v1.md
+++ b/artifacts/apidocs/schemas/ws_ticker_feed_data_v1.md
@@ -2,7 +2,7 @@
     |Name<br>`Lite`|Type|Required<br>`Default`| Description |
     |-|-|-|-|
     |stream<br>`s` |string|True|Stream name|
-    |selector<br>`s1` |string|True|Primary selector|
+    |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
     |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
     |feed<br>`f` |Ticker|True|A ticker matching the request filter|
     ??? info "[Ticker](/../../schemas/ticker)"
diff --git a/artifacts/apidocs/schemas/ws_trade_feed_data_v1.md b/artifacts/apidocs/schemas/ws_trade_feed_data_v1.md
index d128b4d..a368663 100644
--- a/artifacts/apidocs/schemas/ws_trade_feed_data_v1.md
+++ b/artifacts/apidocs/schemas/ws_trade_feed_data_v1.md
@@ -2,7 +2,7 @@
     |Name<br>`Lite`|Type|Required<br>`Default`| Description |
     |-|-|-|-|
     |stream<br>`s` |string|True|Stream name|
-    |selector<br>`s1` |string|True|Primary selector|
+    |selector<br>`s1` |string|True|the feed specified in the JSON RPC Subscribe request|
     |sequence_number<br>`sn` |string|True|A running sequence number that determines global message order within the specific stream|
     |feed<br>`f` |Trade|True|A public trade matching the request filter|
     ??? info "[Trade](/../../schemas/trade)"
diff --git a/artifacts/pysdk/types.py b/artifacts/pysdk/types.py
index aac342e..b6edb03 100644
--- a/artifacts/pysdk/types.py
+++ b/artifacts/pysdk/types.py
@@ -1023,7 +1023,7 @@ class WSOrderbookLevelsFeedSelectorV1:
 class WSOrderbookLevelsFeedDataV1:
     # Stream name
     stream: str
-    # Primary selector
+    # the feed specified in the JSON RPC Subscribe request
     selector: str
     # A running sequence number that determines global message order within the specific stream
     sequence_number: str
@@ -1056,7 +1056,7 @@ class WSMiniTickerFeedSelectorV1:
 class WSMiniTickerFeedDataV1:
     # Stream name
     stream: str
-    # Primary selector
+    # the feed specified in the JSON RPC Subscribe request
     selector: str
     # A running sequence number that determines global message order within the specific stream
     sequence_number: str
@@ -1089,7 +1089,7 @@ class WSTickerFeedSelectorV1:
 class WSTickerFeedDataV1:
     # Stream name
     stream: str
-    # Primary selector
+    # the feed specified in the JSON RPC Subscribe request
     selector: str
     # A running sequence number that determines global message order within the specific stream
     sequence_number: str
@@ -1115,7 +1115,7 @@ class WSTradeFeedSelectorV1:
 class WSTradeFeedDataV1:
     # Stream name
     stream: str
-    # Primary selector
+    # the feed specified in the JSON RPC Subscribe request
     selector: str
     # A running sequence number that determines global message order within the specific stream
     sequence_number: str
@@ -1142,7 +1142,7 @@ class WSCandlestickFeedSelectorV1:
 class WSCandlestickFeedDataV1:
     # Stream name
     stream: str
-    # Primary selector
+    # the feed specified in the JSON RPC Subscribe request
     selector: str
     # A running sequence number that determines global message order within the specific stream
     sequence_number: str
diff --git a/src/codegen/apispec.json b/src/codegen/apispec.json
index cfd06b1..c087b7a 100644
--- a/src/codegen/apispec.json
+++ b/src/codegen/apispec.json
@@ -5085,7 +5085,7 @@
             "optional": false,
             "example": "'BTC_USDT_Perp'",
             "comment": [
-              "Primary selector"
+              "the feed specified in the JSON RPC Subscribe request"
             ]
           },
           {
@@ -5187,7 +5187,7 @@
             "optional": false,
             "example": "'BTC_USDT_Perp'",
             "comment": [
-              "Primary selector"
+              "the feed specified in the JSON RPC Subscribe request"
             ]
           },
           {
@@ -5289,7 +5289,7 @@
             "optional": false,
             "example": "'BTC_USDT_Perp'",
             "comment": [
-              "Primary selector"
+              "the feed specified in the JSON RPC Subscribe request"
             ]
           },
           {
@@ -5403,7 +5403,7 @@
             "optional": false,
             "example": "'BTC_USDT_Perp'",
             "comment": [
-              "Primary selector"
+              "the feed specified in the JSON RPC Subscribe request"
             ]
           },
           {
@@ -5511,7 +5511,7 @@
             "optional": false,
             "example": "'BTC_USDT_Perp'",
             "comment": [
-              "Primary selector"
+              "the feed specified in the JSON RPC Subscribe request"
             ]
           },
           {