diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a8890c343d33a51a76a52f92c2a05721925fd209..31eaa985cd0a7ac79fc564998d7f7a156f65a77a 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,19 +2,89 @@
 
 If you have any issues or ideas for improvement you can send me an email to _thl-cmk[at]outlook[dot]com_.
 
-For some fixes/improvements I migth need a _snmpwalk_ from the device in question.
-This must contain
+For some fixes/improvements I migth need the raw output of the _**squid**_ section from the check_mk agent.
 
-- .1.3.6.1.2.1.1.1 sysDescr 
-- .1.3.6.1.2.1.1.2 sysObjectID
+I also need to know the following:
+- version/edition of check_mk you are using
+- version of the check_mk agent you are using
+- version/platform of the target system
+- version of squid you are using
 
-and all the SNMP OIDs used in the plugin.
-
-If you run the _snmpwalk_ command, please uses these options _**-ObentU**_ in addition to your snmp options like community, version etc.
-For example:
 ```
-snmpwalk -v2c -c public -ObentU 10.10.10.10 .1.3.6.1.2.1.1.1 > hostname.snmpwalk
-snmpwalk -v2c -c public -ObentU 10.10.10.10 .1.3.6.1.2.1.1.2 >> hostname.snmpwalk
-snmpwalk -v2c -c public -ObentU 10.10.10.10 .1.3.6.1.4.1.25049.17.1 >> hostname.snmpwalk
-snmpwalk -v2c -c public -ObentU 10.10.10.10 .1.3.6.1.4.1.25049.17.2.1 >> hostname.snmpwalk
+<<<squid:sep(0)>>>
+Content-Type: text/plain;charset=utf-8
+sample_start_time = 1684681523.297335 (Sun, 21 May 2023 15:05:23 GMT)
+sample_end_time = 1684681823.328256 (Sun, 21 May 2023 15:10:23 GMT)
+client_http.requests = 0.023331/sec
+client_http.hits = 0.000000/sec
+client_http.errors = 0.000000/sec
+client_http.kbytes_in = 0.113322/sec
+client_http.kbytes_out = 0.129987/sec
+client_http.all_median_svc_time = 0.000000 seconds
+client_http.miss_median_svc_time = 0.000000 seconds
+client_http.nm_median_svc_time = 0.000000 seconds
+client_http.nh_median_svc_time = 0.000000 seconds
+client_http.hit_median_svc_time = 0.000000 seconds
+server.all.requests = 0.003333/sec
+server.all.errors = 0.000000/sec
+server.all.kbytes_in = 0.079992/sec
+server.all.kbytes_out = 0.109989/sec
+server.http.requests = 0.000000/sec
+server.http.errors = 0.000000/sec
+server.http.kbytes_in = 0.000000/sec
+server.http.kbytes_out = 0.000000/sec
+server.ftp.requests = 0.000000/sec
+server.ftp.errors = 0.000000/sec
+server.ftp.kbytes_in = 0.000000/sec
+server.ftp.kbytes_out = 0.000000/sec
+server.other.requests = 0.003333/sec
+server.other.errors = 0.000000/sec
+server.other.kbytes_in = 0.079992/sec
+server.other.kbytes_out = 0.109989/sec
+icp.pkts_sent = 0.000000/sec
+icp.pkts_recv = 0.000000/sec
+icp.queries_sent = 0.000000/sec
+icp.replies_sent = 0.000000/sec
+icp.queries_recv = 0.000000/sec
+icp.replies_recv = 0.000000/sec
+icp.replies_queued = 0.000000/sec
+icp.query_timeouts = 0.000000/sec
+icp.kbytes_sent = 0.000000/sec
+icp.kbytes_recv = 0.000000/sec
+icp.q_kbytes_sent = 0.000000/sec
+icp.r_kbytes_sent = 0.000000/sec
+icp.q_kbytes_recv = 0.000000/sec
+icp.r_kbytes_recv = 0.000000/sec
+icp.query_median_svc_time = 0.000000 seconds
+icp.reply_median_svc_time = 0.000000 seconds
+dns.median_svc_time = 0.000000 seconds
+unlink.requests = 0.000000/sec
+page_faults = 0.000000/sec
+select_loops = 4.356218/sec
+select_fds = 1.509844/sec
+average_select_fd_period = 0.000000/fd
+median_select_fds = -1.000000
+swap.outs = 0.000000/sec
+swap.ins = 0.000000/sec
+swap.files_cleaned = 0.000000/sec
+aborted_requests = 0.000000/sec
+syscalls.disk.opens = 0.000000/sec
+syscalls.disk.closes = 0.000000/sec
+syscalls.disk.reads = 0.000000/sec
+syscalls.disk.writes = 0.000000/sec
+syscalls.disk.seeks = 0.000000/sec
+syscalls.disk.unlinks = 0.000000/sec
+syscalls.sock.accepts = 0.019998/sec
+syscalls.sock.sockets = 0.003333/sec
+syscalls.sock.connects = 0.003333/sec
+syscalls.sock.binds = 0.000000/sec
+syscalls.sock.closes = 0.029997/sec
+syscalls.sock.reads = 0.679930/sec
+syscalls.sock.writes = 0.689929/sec
+syscalls.sock.recvfroms = 0.099990/sec
+syscalls.sock.sendtos = 0.006666/sec
+cpu_time = 0.367499 seconds
+wall_time = 300.030921 seconds
+cpu_usage = 0.122487%
+
 ```