Update privacy-policy.md

notes/privacy-policy.md

@@ -10,8 +10,8 @@ additional servers as per your instruction.
 
 When connecting to first-party servers, Nano Adblocker *may* supply a version
 key (a hard-coded random string generated at *compile time*). A cache buster
-will always be supplied, it may reveal your system time accurate to 1 hour,
-your timezone will be kept private.
+will always be supplied, it may reveal your system time accurate to about 1
+hour, your timezone will be kept private.
 
 By default, Nano Adblocker will *try* to block tracking scripts that would not
 result in breakage of the website, but there may be both false negatives and