counters: polish documentation of cm_service_request / paging_resp

Change-Id: I273bc4165c70cd54ed94ff5f99377189f3306f51
diff --git a/include/osmocom/msc/gsm_data.h b/include/osmocom/msc/gsm_data.h
index 87629ad..3459d15 100644
--- a/include/osmocom/msc/gsm_data.h
+++ b/include/osmocom/msc/gsm_data.h
@@ -71,10 +71,10 @@
 	[MSC_CTR_LOC_UPDATE_TYPE_DETACH] = 		{"loc_update_type:detach", "Received IMSI Detach indications."},
 	[MSC_CTR_LOC_UPDATE_FAILED] = 		{"loc_update_resp:failed", "Rejected Location Update requests."},
 	[MSC_CTR_LOC_UPDATE_COMPLETED] = 	{"loc_update_resp:completed", "Successful Location Update procedures."},
-	[MSC_CTR_CM_SERVICE_REQUEST_REJECTED] = {"cm_service_request:rejected", "Rejected CM Service Request."},
-	[MSC_CTR_CM_SERVICE_REQUEST_ACCEPTED] = {"cm_service_request:accepted", "Accepted CM Service Request."},
-	[MSC_CTR_PAGING_RESP_REJECTED] = 	{"paging_resp:rejected", "Rejected Paging Response."},
-	[MSC_CTR_PAGING_RESP_ACCEPTED] = 	{"paging_resp:accepted", "Accepted Paging Response."},
+	[MSC_CTR_CM_SERVICE_REQUEST_REJECTED] = {"cm_service_request:rejected", "Rejected CM Service Requests."},
+	[MSC_CTR_CM_SERVICE_REQUEST_ACCEPTED] = {"cm_service_request:accepted", "Accepted CM Service Requests."},
+	[MSC_CTR_PAGING_RESP_REJECTED] = 	{"paging_resp:rejected", "Rejected Paging Responses."},
+	[MSC_CTR_PAGING_RESP_ACCEPTED] = 	{"paging_resp:accepted", "Accepted Paging Responses."},
 	[MSC_CTR_SMS_SUBMITTED] = 		{"sms:submitted", "Total MO SMS received from the MS."},
 	[MSC_CTR_SMS_NO_RECEIVER] = 		{"sms:no_receiver", "Failed MO SMS delivery attempts (no receiver found)."},
 	[MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR] =	{"sms:deliver_unknown_error", "Failed MO SMS delivery attempts (other reason)."},