document Jdenticon change

CHANGELOG.md

@@ -3,6 +3,7 @@
   * **1.4.1 (not yet released)**
     * ADDED: Translations for Turkish, Slovak and Greek
     * ADDED: S3 Storage backend (#994)
+    * CHANGED: Switched to Jdenticons as the default for comment icons (#793)
     * CHANGED: Avoid `SUPER` privilege for setting the `sql_mode` for MariaDB/MySQL (#919)
     * CHANGED: Upgrading libraries to: zlib 1.2.13
     * FIXED: Revert to CREATE INDEX without IF NOT EXISTS clauses, to support MySQL (#943)

cfg/conf.sample.php

@@ -65,9 +65,9 @@ languageselection = false
 ; qrcode = true
 
 ; (optional) IP based icons are a weak mechanism to detect if a comment was from
-; a different user when the same username was used in a comment. It might be
-; used to get the IP of a non anonymous comment poster if the server salt is
-; leaked and a SHA512 HMAC rainbow table is generated for all (relevant) IPs.
+; a different user when the same username was used in a comment. It might get
+; used to get the IP of a comment poster if the server salt is leaked and a
+; SHA512 HMAC rainbow table is generated for all (relevant) IPs.
 ; Can be set to one these values:
 ; "none" / "vizhash" / "identicon" / "jdenticon" (default).
 ; icon = "none"