diff --git a/user.js b/user.js
index 03a0854..4ba99ef 100644
--- a/user.js
+++ b/user.js
@@ -38,7 +38,7 @@
     - If you are not using arkenfox v78... (not a definitive list)
       - 1244: HTTPS-Only mode is enabled
       - 1401: document fonts is inactive as it is now covered by RFP in FF80+
-      - 4600: some prefs may apply even if you use RFP (currently none apply as of FF84)
+      - 4600: some prefs may apply even if you use RFP
       - 9999: switch the appropriate deprecated section(s) back on
 
 * INDEX:
@@ -83,9 +83,8 @@
 user_pref("_user.js.parrot", "START: Oh yes, the Norwegian Blue... what's wrong with it?");
 
 /* 0000: disable about:config warning
- * FF72 or lower: chrome://global/content/config.xul
  * FF73-86: chrome://global/content/config.xhtml ***/
-user_pref("general.warnOnAboutConfig", false); // XUL/XHTML version
+user_pref("general.warnOnAboutConfig", false); // XHTML version
 user_pref("browser.aboutConfig.showWarning", false); // HTML version [FF71+]
 
 /*** [SECTION 0100]: STARTUP ***/
@@ -143,7 +142,7 @@ user_pref("browser.newtabpage.activity-stream.default.sites", "");
 user_pref("_user.js.parrot", "0200 syntax error: the parrot's definitely deceased!");
 /** GEOLOCATION ***/
 /* 0201: disable Location-Aware Browsing
- * [NOTE] Best left at default "true", fingerprintable, is already behind a prompt (see 0202)
+ * [NOTE] Best left at default "true", fingerprintable, already behind a prompt (see 0202)
  * [1] https://www.mozilla.org/firefox/geolocation/ ***/
    // user_pref("geo.enabled", false);
 /* 0202: set a default permission for Location (see 0201) [FF58+]
@@ -251,10 +250,10 @@ user_pref("browser.discovery.enabled", false);
 /* 0350: disable Crash Reports ***/
 user_pref("breakpad.reportURL", "");
 user_pref("browser.tabs.crashReporting.sendReport", false); // [FF44+]
-user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+]
-/* 0351: disable backlogged Crash Reports
+user_pref("browser.crashReports.unsubmittedCheck.enabled", false); // [FF51+] [DEFAULT: false except Nightly]
+/* 0351: enforce no submission of backlogged Crash Reports [FF58+]
  * [SETTING] Privacy & Security>Firefox Data Collection & Use>Allow Firefox to send backlogged crash reports  ***/
-user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [FF58+]
+user_pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false); // [DEFAULT: false]
 /* 0390: disable Captive Portal detection
  * [1] https://www.eff.org/deeplinks/2017/08/how-captive-portals-interfere-wireless-security-and-privacy
  * [2] https://wiki.mozilla.org/Necko/CaptivePortal ***/
@@ -352,7 +351,7 @@ user_pref("extensions.formautofill.creditCards.enabled", false); // [FF56+]
 user_pref("extensions.formautofill.heuristics.enabled", false); // [FF55+]
 /* 0518: disable Web Compatibility Reporter [FF56+]
  * Web Compatibility Reporter adds a "Report Site Issue" button to send data to Mozilla ***/
-user_pref("extensions.webcompat-reporter.enabled", false);
+user_pref("extensions.webcompat-reporter.enabled", false); // [DEFAULT: false in stable]
 
 /*** [SECTION 0600]: BLOCK IMPLICIT OUTBOUND [not explicitly asked for - e.g. clicked on] ***/
 user_pref("_user.js.parrot", "0600 syntax error: the parrot's no more!");
@@ -492,12 +491,7 @@ user_pref("browser.urlbar.dnsResolveSingleWordsAfterSearch", 0);
  * [SETTING] Privacy & Security>Address Bar>When using the address bar, suggest>Search engines ***/
    // user_pref("browser.urlbar.suggest.engines", false);
 /* 0850c: disable location bar dropdown
- * This value controls the total number of entries to appear in the location bar dropdown
- * [NOTE] Items (bookmarks/history/openpages) with a high "frecency"/"bonus" will always
- * be displayed (no we do not know how these are calculated or what the threshold is),
- * and this does not affect the search by search engine suggestion (see 0807)
- * [NOTE] This setting is only useful if you want to enable search engine keywords
- * (i.e. at least one of 0850a suggestion types must be true) but you want to *limit* suggestions shown ***/
+ * This value controls the total number of entries to appear in the location bar dropdown ***/
    // user_pref("browser.urlbar.maxRichResults", 0);
 /* 0850d: disable location bar autofill
  * [1] https://support.mozilla.org/en-US/kb/address-bar-autocomplete-firefox#w_url-autocomplete ***/
@@ -519,7 +513,7 @@ user_pref("browser.taskbar.lists.frequent.enabled", false);
 user_pref("browser.taskbar.lists.recent.enabled", false);
 user_pref("browser.taskbar.lists.tasks.enabled", false);
 /* 0871: disable Windows taskbar preview [WINDOWS] ***/
-user_pref("browser.taskbar.previews.enable", false);
+   // user_pref("browser.taskbar.previews.enable", false); // [DEFAULT: false]
 
 /*** [SECTION 0900]: PASSWORDS ***/
 user_pref("_user.js.parrot", "0900 syntax error: the parrot's expired!");
@@ -897,7 +891,7 @@ user_pref("plugin.state.flash", 0);
  * [1] https://wiki.mozilla.org/GeckoMediaPlugins ***/
    // user_pref("media.gmp-provider.enabled", false);
 /* 1825: disable widevine CDM (Content Decryption Module)
- * [NOTE] This is covered by the EME master switch (1830) **/
+ * [NOTE] This is covered by the EME master switch (1830) ***/
    // user_pref("media.gmp-widevinecdm.enabled", false);
 /* 1830: disable all DRM content (EME: Encryption Media Extension)
  * [SETUP-WEB] e.g. Netflix, Amazon Prime, Hulu, HBO, Disney+, Showtime, Starz, DirectTV