diff --git a/apps/monitoring/etc/monitoring.conf b/apps/monitoring/etc/monitoring.conf
index 02677859..c44009e3 100644
--- a/apps/monitoring/etc/monitoring.conf
+++ b/apps/monitoring/etc/monitoring.conf
@@ -11,4 +11,4 @@
 # run garbage collection every n seconds
 # Default: 10
 #
-#garbage_collector_interval = 20
\ No newline at end of file
+#garbage_collector_interval = 20
diff --git a/apps/monitoring/etc/monitoring.conf.cmake b/apps/monitoring/etc/monitoring.conf.cmake
index 02677859..c44009e3 100644
--- a/apps/monitoring/etc/monitoring.conf.cmake
+++ b/apps/monitoring/etc/monitoring.conf.cmake
@@ -11,4 +11,4 @@
 # run garbage collection every n seconds
 # Default: 10
 #
-#garbage_collector_interval = 20
\ No newline at end of file
+#garbage_collector_interval = 20
diff --git a/apps/msg_storage/etc/msg_storage.conf b/apps/msg_storage/etc/msg_storage.conf
index b1ee1259..efab27fe 100644
--- a/apps/msg_storage/etc/msg_storage.conf
+++ b/apps/msg_storage/etc/msg_storage.conf
@@ -5,4 +5,4 @@
 #
 # default: /var/spool/voicebox/
 #
-#storage_dir=/var/spool/voicebox/
\ No newline at end of file
+#storage_dir=/var/spool/voicebox/
diff --git a/apps/msg_storage/etc/msg_storage.conf.cmake b/apps/msg_storage/etc/msg_storage.conf.cmake
index b1ee1259..efab27fe 100644
--- a/apps/msg_storage/etc/msg_storage.conf.cmake
+++ b/apps/msg_storage/etc/msg_storage.conf.cmake
@@ -5,4 +5,4 @@
 #
 # default: /var/spool/voicebox/
 #
-#storage_dir=/var/spool/voicebox/
\ No newline at end of file
+#storage_dir=/var/spool/voicebox/
diff --git a/apps/reg_agent/etc/reg_agent.conf.cmake b/apps/reg_agent/etc/reg_agent.conf.cmake
index 87ce9d73..3262a6a6 100644
--- a/apps/reg_agent/etc/reg_agent.conf.cmake
+++ b/apps/reg_agent/etc/reg_agent.conf.cmake
@@ -4,13 +4,16 @@
 # refreshed if necessary.
 #
 #
+# See also proxy_sticky_auth configuration in sems.conf
+# for some (broken) registrars.
 
 #domain=mydomain.net
 #user=myuser
+#pwd=verysecret
+# optional (defaults to user):
 #display_name=myuser
 #auth_user=myuser
-#pwd=verysecret
-# optional:
+# optional (defaults to resolved by domain):
 #proxy=sip.mydomain.net:5060
 
 #
@@ -18,17 +21,17 @@
 #
 #domain1=iptel.org
 #user1=xyz
-#display_name1=xyz
-#auth_user1=xyz
 #pwd1=ppp
 # optional:
+#display_name1=xyz
+#auth_user1=xyz
 #proxy1=sip.iptel.org:5060
 
 #domain2=iptel.org
 #user2=xyz
-#display_name2=xyz
-#auth_user2=xyz
 #pwd2=ppp
 # optional:
+#display_name2=xyz
+#auth_user2=xyz
 #proxy2=sip.iptel.org:5060
 
diff --git a/apps/sbc/etc/refuse.sbcprofile.conf b/apps/sbc/etc/refuse.sbcprofile.conf
index 8545c390..9f2a8726 100644
--- a/apps/sbc/etc/refuse.sbcprofile.conf
+++ b/apps/sbc/etc/refuse.sbcprofile.conf
@@ -5,4 +5,4 @@
 #
 # note: warning code 393 might not be the proper one for this usage.
 refuse_with="403 Forbidden"
-append_headers="Warning: 393 $rd \"Incoming calls not allowed\""
\ No newline at end of file
+append_headers="Warning: 393 $rd \"Incoming calls not allowed\""
diff --git a/apps/sbc/etc/refuse.sbcprofile.conf.cmake b/apps/sbc/etc/refuse.sbcprofile.conf.cmake
index 8545c390..9f2a8726 100644
--- a/apps/sbc/etc/refuse.sbcprofile.conf.cmake
+++ b/apps/sbc/etc/refuse.sbcprofile.conf.cmake
@@ -5,4 +5,4 @@
 #
 # note: warning code 393 might not be the proper one for this usage.
 refuse_with="403 Forbidden"
-append_headers="Warning: 393 $rd \"Incoming calls not allowed\""
\ No newline at end of file
+append_headers="Warning: 393 $rd \"Incoming calls not allowed\""
diff --git a/apps/sbc/etc/replytranslate.sbcprofile.conf b/apps/sbc/etc/replytranslate.sbcprofile.conf
index bfdba450..818e09b7 100644
--- a/apps/sbc/etc/replytranslate.sbcprofile.conf
+++ b/apps/sbc/etc/replytranslate.sbcprofile.conf
@@ -1,2 +1,2 @@
 # swap 603 and 488 replies:
-reply_translations="603=>488 Not acceptable here|488=>603 Decline"
\ No newline at end of file
+reply_translations="603=>488 Not acceptable here|488=>603 Decline"
diff --git a/apps/sbc/etc/replytranslate.sbcprofile.conf.cmake b/apps/sbc/etc/replytranslate.sbcprofile.conf.cmake
index bfdba450..818e09b7 100644
--- a/apps/sbc/etc/replytranslate.sbcprofile.conf.cmake
+++ b/apps/sbc/etc/replytranslate.sbcprofile.conf.cmake
@@ -1,2 +1,2 @@
 # swap 603 and 488 replies:
-reply_translations="603=>488 Not acceptable here|488=>603 Decline"
\ No newline at end of file
+reply_translations="603=>488 Not acceptable here|488=>603 Decline"
diff --git a/core/plug-in/stats/etc/stats.conf.cmake b/core/plug-in/stats/etc/stats.conf.cmake
index 88f8d899..57babe1f 100644
--- a/core/plug-in/stats/etc/stats.conf.cmake
+++ b/core/plug-in/stats/etc/stats.conf.cmake
@@ -1,2 +1,5 @@
+# IP of the monitoring interface:
 monit_udp_ip=127.0.0.1
+
+# port the statistics server should listen to:
 monit_udp_port=5040