diff --git a/Discovery/File-System/OBEX_common.txt b/Discovery/File-System/OBEX_common.txt
index 59c37ac12..abdd7188f 100644
--- a/Discovery/File-System/OBEX_common.txt
+++ b/Discovery/File-System/OBEX_common.txt
@@ -9,7 +9,7 @@
 telecom/devinfo.txt
 # [RW] Real Time Clock
 telecom/rtc.txt
-# [RW, L2] The entire calendar 
+# [RW, L2] The entire calendar
 telecom/cal.vcs
 # [RW, L3] Calendar - Level 3 static index access
 telecom/cal/###.vcs
@@ -61,7 +61,7 @@ telecom/nt.vnt
 telecom/nt/1.vnt
 # [?] Formal Definition of Notes Objects - Information Log
 telecom/nt/info.log
-# Unknown
+# [?] Unknown
 telecom/note.vnt
 telecom/inmsg.vmg
 telecom/outmsg.vmg
@@ -74,5 +74,4 @@ telecom/msg/in/luid/cc.log
 telecom/msg/out/luid/cc.log
 telecom/msg/sent/luid/cc.log
 telecom/nt
-telecom/pb/1.vcf
 default
diff --git a/Discovery/File-System/OBEX_rare.txt b/Discovery/File-System/OBEX_rare.txt
index 1a364fcb6..b91548259 100644
--- a/Discovery/File-System/OBEX_rare.txt
+++ b/Discovery/File-System/OBEX_rare.txt
@@ -18,10 +18,9 @@ Pictures/zhiraf.jpg
 # записываем игрушку (телефон запрашивает подтверждение):
 /tmp/Toneoflove.jar
 # Dubious - [RW, L3] Calendar - Level 3 static index access
-# the source uses /pb/ as a directory, which may or may not be an oversight
+# website lists /pb/ (not /cal/ ) as directory, which may or may not be an oversight
 # - https://www.ixbt.com/mobile/review/obex.shtml
 telecom/pb/###.vcs
-telecom/cal/###.vcs
 # Dubious - Telecom with an uppercase T (OBEX is likely case-sensitive)
 # - https://archive.org/details/pdfy-k_NyjZisdngtL5Xt
 # - https://archive.org/details/pdfy--R42sHTAJgH01ZXT