Make headings consistent and remove redundant descriptions (#1207)

Co-authored-by: Jonah Aragon <jonah@triplebit.net>

docs/cloud.en.md

@@ -6,7 +6,7 @@ If you are currently using a Cloud Storage Service like Dropbox, Google Drive, M
 
 Eliminate the need for trust in your provider by using an alternative below that supports E2EE.
 
-### Nextcloud
+## Nextcloud
 
 !!! recommendation
 
@@ -33,7 +33,7 @@ We recommend checking if your Nextcloud provider supports E2EE, otherwise you ha
 
 When self hosting Nextcloud, you should also enable E2EE to protect against your hosting provider snooping on your data.
 
-### Proton Drive
+## Proton Drive
 
 !!! recommendation
 
@@ -51,7 +51,7 @@ Proton Drive is currently in beta and only is only available through a web clien
 
 When using a web client, you are placing trust in the server to send you proper JavaScript code to derive the decryption key and authentication token locally in your browser. A compromised server can send you malicious JavaScript code to steal your master password and decrypt your data. If this does not fit your [threat model](threat-modeling.md), consider using an alternative.
 
-### Cryptee
+## Cryptee
 
 !!! recommendation
 
@@ -66,7 +66,7 @@ When using a web client, you are placing trust in the server to send you proper
 
         - [:fontawesome-brands-github: Source](https://github.com/cryptee/web-client)
 
-### Tahoe-LAFS
+## Tahoe-LAFS
 
 !!! note
 

docs/email-clients.en.md

@@ -11,7 +11,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
 
     [Real-time Communication](real-time-communication.md){ .md-button }
 
-### Thunderbird
+## Thunderbird
 
 !!! recommendation
 
@@ -29,7 +29,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-flathub: Flatpak](https://flathub.org/apps/details/org.mozilla.Thunderbird)
         - [:fontawesome-brands-git: Source](https://hg.mozilla.org/comm-central)
 
-### Apple Mail
+## Apple Mail
 
 !!! note
 
@@ -43,7 +43,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
 
     [Website](https://support.apple.com/guide/mail/welcome/mac){ .md-button .md-button--primary } [Privacy Policy](https://www.apple.com/legal/privacy/en-ww/){ .md-button }
 
-### GNOME Evolution
+## GNOME Evolution
 
 !!! recommendation
 
@@ -58,7 +58,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-flathub: Flatpak](https://flathub.org/apps/details/org.gnome.Evolution)
         - [:fontawesome-brands-gitlab: Source](https://gitlab.gnome.org/GNOME/evolution)
 
-### Kontact
+## Kontact
 
 !!! recommendation
 
@@ -74,7 +74,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-flathub: Flatpak](https://flathub.org/apps/details/org.kde.kontact)
         - [:fontawesome-brands-git: Source](https://invent.kde.org/pim/kmail)
 
-### Mailvelope
+## Mailvelope
 
 !!! recommendation
 
@@ -91,7 +91,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:fontawesome-brands-edge: Edge](https://microsoftedge.microsoft.com/addons/detail/mailvelope/dgcbddhdhjppfdfjpciagmmibadmoapc)
         - [:fontawesome-brands-github: Source](https://github.com/mailvelope/mailvelope)
 
-### K-9 Mail
+## K-9 Mail
 
 !!! recommendation
 
@@ -107,7 +107,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-f-droid: F-Droid](https://f-droid.org/packages/com.fsck.k9)
         - [:fontawesome-brands-github: Source](https://github.com/k9mail)
 
-### FairEmail
+## FairEmail
 
 !!! recommendation
 
@@ -123,7 +123,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
         - [:pg-f-droid: F-Droid](https://f-droid.org/packages/eu.faircode.email/)
         - [:fontawesome-brands-github: Source](https://github.com/M66B/FairEmail)
 
-### Canary Mail
+## Canary Mail
 
 !!! recommendation
 
@@ -146,7 +146,7 @@ Our recommendation list contains email clients that support both [OpenPGP](encry
 
 Canary Mail is closed source. We recommend it, due to the few choices there are for email clients on iOS that support PGP E2EE.
 
-### NeoMutt
+## NeoMutt
 
 !!! recommendation
 

docs/qubes.en.md

@@ -2,10 +2,6 @@
 title: "Qubes OS"
 icon: pg/qubes-os
 ---
-Qubes OS is a distribution of Linux that uses [Xen](https://en.wikipedia.org/wiki/Xen) to provide app isolation.
-
-### Qubes OS
-
 !!! recommendation
 
     ![Qubes OS logo](assets/img/qubes/qubes_os.svg){ align=right }

docs/router.en.md

@@ -4,7 +4,7 @@ icon: material/router-wireless
 ---
 Below are a few alternative operating systems, that can be used on routers, Wi-Fi access points etc.
 
-### OpenWrt
+## OpenWrt
 
 !!! recommendation
 
@@ -21,7 +21,7 @@ Below are a few alternative operating systems, that can be used on routers, Wi-F
 
 You can consult OpenWrt's [table of hardware](https://openwrt.org/toh/start) to check if your device is supported.
 
-### pfSense
+## pfSense
 
 !!! recommendation
 

docs/search-engines.en.md

@@ -8,7 +8,7 @@ The recommendations here are based on the merits of each service's privacy polic
 
 Consider using a [VPN](vpn.md) or [Tor](https://www.torproject.org/) if your threat model requires hiding your IP address from the search provider.
 
-### DuckDuckGo
+## DuckDuckGo
 
 !!! recommendation
 
@@ -27,7 +27,7 @@ DuckDuckGo is based in the :flag_us: United States. Their [privacy policy](https
 
 DuckDuckGo offers two other [versions](https://help.duckduckgo.com/features/non-javascript/) of their search engine, both of which do not require JavaScript. These versions do lack features, however. These versions can also be used in conjunction with their [Tor onion address](https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/) by appending [/lite](https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/lite) or [/html](https://duckduckgogg42xjoc72x3sjasowoarfbgcmvfimaftt6twagswzczad.onion/html) for the respective version.
 
-### Startpage
+## Startpage
 
 !!! recommendation
 
@@ -44,7 +44,7 @@ Startpage is based in the :flag_nl: Netherlands. According to their [privacy pol
 
 Startpage's majority shareholder is System1 who is an adtech company. We don't believe that to be an issue as they have an distinctly separate [privacy policy](https://system1.com/terms/privacy-policy). The Privacy Guides team reached out to Startpage [back in 2020](https://web.archive.org/web/20210118031008/https://blog.privacytools.io/relisting-startpage/) to clear up any concerns with System1's sizeable investment into the service. We were satisfied with the answers we received.
 
-### Mojeek
+## Mojeek
 
 !!! recommendation
 
@@ -56,7 +56,7 @@ Startpage's majority shareholder is System1 who is an adtech company. We don't b
 
 The company is based in the :flag_gb: UK. According to their [Privacy Policy](https://www.mojeek.com/about/privacy/), they log the originating country, time, page requested, and referral data of each query. IP addresses are not logged.
 
-### SearXNG
+## SearXNG
 
 !!! recommendation
 

docs/self-contained-networks.en.md

@@ -2,11 +2,9 @@
 title: "Self-Contained Networks"
 icon: material/security-network
 ---
-If you are currently browsing clearnet and want to access the dark web, this section is for you.
+These networks are designed to keep your traffic anonymous.
 
-## Self-contained Networks
+## Tor
-
-### Tor
 
 !!! recommendation
 
@@ -29,7 +27,7 @@ If you are currently browsing clearnet and want to access the dark web, this sec
         - [:fontawesome-brands-android: Android](https://www.torproject.org/download/#android)
         - [:fontawesome-brands-git: Source](https://gitweb.torproject.org/tor.git)
 
-### Invisible Internet Project
+## Invisible Internet Project
 
 !!! recommendation
 
@@ -53,7 +51,7 @@ If you are currently browsing clearnet and want to access the dark web, this sec
         - [:pg-f-droid: F-Droid](https://f-droid.org/app/net.i2p.android.router)
         - [:fontawesome-brands-git: Source](https://geti2p.net/en/get-involved/guides/new-developers#getting-the-i2p-code)
 
-### The Freenet Project
+## The Freenet Project
 
 !!! recommendation