diff --git a/Discovery/File-System/OBEX_common.txt b/Discovery/File-System/OBEX_common.txt
index 256640763..78c649bae 100644
--- a/Discovery/File-System/OBEX_common.txt
+++ b/Discovery/File-System/OBEX_common.txt
@@ -8,11 +8,15 @@ telecom/cal.vcs
 telecom/cal/###.vcs
 # Add new entry, Level 4 unique index access
 telecom/cal/luid/.vcs
+# Calendar change log (insert date for ###)
+telecom/cal/luid/###.log
 # Supported properties and memory info
 telecom/cal/info.log
 # Sony Ericson: Level 4 unique index access
 telecom/cal/luid/*.vcs
-# Change log (insert date for ###)
+# Calendar 'Change Counter' object
+telecom/pb/luid/cc.log
+# Phonebook change log (insert date for ###)
 telecom/pb/luid/###.log
 # vCard stream object listing all the Objects in the Phone Book Object Store. Level 2 access.
 telecom/pb.vcf
@@ -24,7 +28,7 @@ telecom/pb/1.vcf
 telecom/pb/###.vcf
 # Supported properties and memory info
 telecom/pb/info.log
-# phone book Change Counter object
+# Phonebook 'Change Counter' object
 telecom/pb/luid/cc.log
 # Add new entry, Level 4 unique index access
 telecom/pb/luid/.vcf