diff --git a/notes/cf-engine-classes.txt b/notes/cf-engine-classes.txt
index 3ba1ecd..8d8c098 100644
--- a/notes/cf-engine-classes.txt
+++ b/notes/cf-engine-classes.txt
@@ -1,29 +1,48 @@
- 127_0_0_1
- 192_168_120_40
- 2001_4ba0_ffff_138_1__400
-64_bit
-8_cpus
+=127_0_0_1
+=192_168_120_40
+=2001_4ba0_ffff_138_1__400
+=fe80__14d8_4dff_fed7_9c59
+=64_bit
+=8_cpus
+=gentoo
+=linux
+=linux_3_12_8_hardened_r1
+=linux_x86_64
+=linux_x86_64_3_12_8_hardened_r1
+?linux_x86_64_3_12_8_hardened_r1__4_SMP_Tue_Mar_4_17_38_20_CET_2014
+=mac_16_d8_4d_d7_9c_59
+=net_iface_eth0
+=net_iface_lo
+?localhost
+=test /// (hostname) ///
+=x86_64
+
+/// time control classes ///
 ?Day15
 ?Evening
 ?GMT_Hr17
 ?Hr18
 ?Hr18_Q2
-?Lcycle_1
 ?March
 ?Min15_20
 ?Min17
-PK_MD5_1cc0a2b13599f57ebb17df5abdc45ae1
 ?Q2
 ?Saturday
 ?Yr2014
+
+Lcycle_1
+PK_MD5_1cc0a2b13599f57ebb17df5abdc45ae1
 agent
 any
-cfengine
 cfengine_3
 cfengine_3_5
 cfengine_3_5_3
 community_edition
 compiled_on_linux_gnu
+inform_mode
+verbose_mode
+
+/// threshold classes ///
 cpu0_high
 cpu1_high
 cpu2_high
@@ -34,9 +53,13 @@ entropy_misc_in_low
 entropy_misc_out_low
 entropy_postgresql_in_low
 entropy_postgresql_out_low
- fe80__14d8_4dff_fed7_9c59
-gentoo
-inform_mode
+ldap_out_high
+loadavg_low
+rootprocs_high
+ssh_in_high
+users_high
+
+/// network classes ///
 ipv4_127
 ipv4_127_0
 ipv4_127_0_0
@@ -45,20 +68,3 @@ ipv4_192
 ipv4_192_168
 ipv4_192_168_120
 ipv4_192_168_120_40
-ldap_out_high
- linux
- linux_3_12_8_hardened_r1
- linux_x86_64
- linux_x86_64_3_12_8_hardened_r1
- linux_x86_64_3_12_8_hardened_r1__4_SMP_Tue_Mar_4_17_38_20_CET_2014
-loadavg_low
-localhost
- mac_16_d8_4d_d7_9c_59
-net_iface_eth0
-net_iface_lo
-rootprocs_high
-ssh_in_high
-test
-users_high
-verbose_mode
- x86_64