diff --git a/README.md b/README.md
index 42bee59..d6f918e 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,9 @@ options:
 1. To generate a list of layers per service run the following:
 
 ```sh
-ngr-spider layers -p 'OGC:WMS,OGC:WMTS' -m services pdok-services.json
+ngr-spider layers -p 'OGC:WMS,OGC:WMTS' pdok-services.json
+ngr-spider services -p 'OGC:WMS,OGC:WMTS' pdok-services.json
+
 ```
 
 ## Development
diff --git a/ngr_spider/csw_client.py b/ngr_spider/csw_client.py
index e688030..e800a52 100644
--- a/ngr_spider/csw_client.py
+++ b/ngr_spider/csw_client.py
@@ -56,11 +56,7 @@ def _get_csw_records(
 
                 records = [CswServiceRecord(rec[1].xml) for rec in csw.records.items()]
                 result.extend(records)
-                if (
-                    maxresults != 0 and len(result) >= maxresults
-                ):  # break only early when maxresults set
-                    break
-                if csw.results["nextrecord"] != 0:
+                if csw.results["nextrecord"] != 0 and (maxresults == 0 or len(result) < maxresults):
                     start = csw.results["nextrecord"]
                     continue
                 result_out: list[CswServiceRecord] = result
@@ -75,7 +71,7 @@ def _get_csw_records_by_protocol(
         max_results: int = 0,
         no_filter: bool = False,
     ) -> list[CswServiceRecord]:
-        protocol_key = "protocol"
+        protocol_key = "OnlineResourceType"
         if (
             protocol == OAT_PROTOCOL
         ):  # required since NGR does not support OGC API TILES as a seperate protocol