diff --git a/user.js b/user.js
index eee08bd..2eee2e0 100644
--- a/user.js
+++ b/user.js
@@ -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!");
@@ -653,7 +647,7 @@ user_pref("security.ssl.require_safe_negotiation", true);
  * [1] https://www.ssllabs.com/ssl-pulse/ ***/
    // user_pref("security.tls.version.min", 3); // [DEFAULT: 3]
    // user_pref("security.tls.version.max", 4);
-/* 1203: enforce TLS 1.0 and 1.1 downgrades as session only */
+/* 1203: enforce TLS 1.0 and 1.1 downgrades as session only ***/
 user_pref("security.tls.version.enable-deprecated", false);
 /* 1204: disable SSL session tracking [FF36+]
  * SSL Session IDs are unique and last up to 24hrs in Firefox (or longer with prolongation attacks)
@@ -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
@@ -1033,7 +1027,7 @@ user_pref("_user.js.parrot", "2400 syntax error: the parrot's kicked the bucket!
  * This applies to onCut/onCopy/onPaste events - i.e. it requires interaction with the website
  * [WARNING] If both 'middlemouse.paste' and 'general.autoScroll' are true (at least one
  * is default false) then enabling this pref can leak clipboard content [1]
- * [1] https://bugzilla.mozilla.org/1528289 */
+ * [1] https://bugzilla.mozilla.org/1528289 ***/
    // user_pref("dom.event.clipboardevents.enabled", false);
 /* 2404: disable clipboard commands (cut/copy) from "non-privileged" content [FF41+]
  * this disables document.execCommand("cut"/"copy") to protect your clipboard
@@ -1187,7 +1181,7 @@ user_pref("browser.display.use_system_colors", false); // [DEFAULT: false]
  * Currently applies to cross-origin geolocation, camera, mic and screen-sharing
  * permissions, and fullscreen requests. Disabling delegation means any prompts
  * for these will show/use their correct 3rd party origin
- * [1] https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion */
+ * [1] https://groups.google.com/forum/#!topic/mozilla.dev.platform/BdFOMAuCGW8/discussion ***/
 user_pref("permissions.delegation.enabled", false);
 /* 2624: enable "window.name" protection [FF82+]
  * If a new page from another domain is loaded into a tab, then window.name is set to an empty string. The original