diff --git a/bookindex.md b/bookindex.md
index 135ed2a025..9c0ada8654 100644
--- a/bookindex.md
+++ b/bookindex.md
@@ -22,7 +22,7 @@
  - -c: [Writing cookies to file](http/cookies.md#writing-cookies-to-file), [HTTP cheat sheet](http/cheatsheet.md#http-cheat-sheet), [Web logins and sessions](http/browserlike.md#web-logins-and-sessions)
  - c-ares: [c-ares](build/deps.md#c-ares), [Line 4: Features](usingcurl/version.md#line-4-features), [Name resolve tricks with c-ares](usingcurl/connections/name.md#name-resolve-tricks-with-c-ares), [Name resolver backends](libcurl/conn/names.md#name-resolver-backends), [`CURLRES_ARES`](internals/resolving.md#curlres_ares), [`<features>`](internals/tests/file-format.md#sect--less-than-features-greater-than)
  - C89: [Comments](source/style.md#comments), [Build curl](build.md#build-curl)
- - CA: [Verbose](usingcurl/verbose.md#verbose), [MITM proxy](usingcurl/proxies/mitm.md#mitm-proxy), [Available exit codes](usingcurl/returns.md#available-exit-codes), [Native CA stores](usingcurl/tls/verify.md#native-ca-stores), [OCSP stapling](usingcurl/tls/stapling.md#ocsp-stapling), [Verification](libcurl/options/tls.md#verification), [All options](libcurl/options/all.md#all-options), [Available information](libcurl/getinfo.md#available-information), [Caches](libcurl/caches.md#caches), [CA store cache](internals/caches.md#ca-store-cache)
+ - CA: [Verbose](usingcurl/verbose.md#verbose), [MITM proxy](usingcurl/proxies/mitm.md#mitm-proxy), [Available exit codes](usingcurl/returns.md#available-exit-codes), [Verifying server certificates](usingcurl/tls/verify.md#verifying-server-certificates), [OCSP stapling](usingcurl/tls/stapling.md#ocsp-stapling), [Verification](libcurl/options/tls.md#verification), [All options](libcurl/options/all.md#all-options), [Available information](libcurl/getinfo.md#available-information), [Caches](libcurl/caches.md#caches), [CA store cache](internals/caches.md#ca-store-cache)
  - CA cert cache: [CA cert cache](libcurl/caches.md#ca-cert-cache)
  - --ca-native: [Native CA stores](usingcurl/tls/verify.md#native-ca-stores)
  - Chrome: [SSLKEYLOGFILE](usingcurl/tls/sslkeylogfile.md#sslkeylogfile), [Copy as curl](usingcurl/copyas.md#copy-as-curl)
@@ -182,7 +182,7 @@
  - --data-urlencode: [Query](cmdline/urls/query.md#query), [URL encode data](http/post/url-encode.md#url-encode-data), [Convert to GET](http/post/convert-to-get.md#convert-to-get)
  - debian: [Ubuntu and Debian](get/linux.md#ubuntu-and-debian), [Version](usingcurl/version.md#version)
  - Debug callback: [All options](libcurl/options/all.md#all-options), [Debug](libcurl/callbacks/debug.md#debug), [Verbose operations](libcurl/verbose.md#verbose-operations)
- - development: [Project communication](project/comm.md#project-communication), [curl-users](project/maillists.md#curl-users), [Reporting bugs](project/bugs.md#reporting-bugs), [Commercial support](project/support.md#commercial-support), [Development](project/devel.md#development), [The development team](project/devteam.md#the-development-team), [Future](project/future.md#future), [Ubuntu and Debian](get/linux.md#ubuntu-and-debian), [Get libcurl for macOS](get/macos.md#get-libcurl-for-macos), [Who decides what goes in?](source/contributing.md#who-decides-what-goes-in), [From Safari](usingcurl/copyas.md#from-safari), [Figure out what a browser sends](http/post/browsersends.md#figure-out-what-a-browser-sends), [Verification](libcurl/options/tls.md#verification), [Which libcurl version runs](libcurl/api.md#which-libcurl-version-runs), [Tests](internals/tests.md#tests), [Debug builds](internals/tests/debug.md#debug-builds)
+ - development: [Project communication](project/comm.md#project-communication), [curl-users](project/maillists.md#curl-users), [Reporting bugs](project/bugs.md#reporting-bugs), [Commercial support](project/support.md#commercial-support), [Development](project/devel.md#development), [The development team](project/devteam.md#the-development-team), [Future](project/future.md#future), [Ubuntu and Debian](get/linux.md#ubuntu-and-debian), [Get libcurl for macOS](get/macos.md#get-libcurl-for-macos), [Who decides what goes in?](source/contributing.md#who-decides-what-goes-in), [From Safari](usingcurl/copyas.md#from-safari), [Figure out what a browser sends](http/post/browsersends.md#figure-out-what-a-browser-sends), [Converting a web form](http/multipart.md#converting-a-web-form), [Verification](libcurl/options/tls.md#verification), [Which libcurl version runs](libcurl/api.md#which-libcurl-version-runs), [Tests](internals/tests.md#tests), [Debug builds](internals/tests/debug.md#debug-builds)
  - DICT: [What protocols does curl support?](protocols/protocols.md#what-protocols-does-curl-support), [DICT](protocols/curl.md#dict), [Without scheme](cmdline/urls/scheme.md#without-scheme), [Using curl](usingcurl.md#using-curl), [Version](usingcurl/version.md#version), [DICT](usingcurl/dict.md#dict), [`CURLU_GUESS_SCHEME`](libcurl/url/parse.md#curlu_guess_scheme)
 
 ## E
@@ -426,7 +426,7 @@
 ## T
 
  - -T: [PUT](usingcurl/uploads.md#put), [Upload](usingcurl/tftp.md#upload), [Method](http/method.md#method), [HTTP PUT](http/put.md#http-put), [HTTP cheat sheet](http/cheatsheet.md#http-cheat-sheet), [Uploading with FTP](ftp/upload.md#uploading-with-ftp)
- - TCP: [Establish a connection](protocols/network.md#establish-a-connection), [How much do protocols change?](protocols/protocols.md#how-much-do-protocols-change), [DICT](protocols/curl.md#dict), [TCP vs UDP](cmdline/urls/port.md#tcp-vs-udp), [Connection reuse](cmdline/urls/connreuse.md#connection-reuse), [Available --write-out variables](usingcurl/verbose/writeout.md#available---write-out-variables), [Connections](usingcurl/connections.md#connections), [Connection timeout](usingcurl/connections/timeout.md#connection-timeout), [Local port number](usingcurl/connections/local-port.md#local-port-number), [Keep alive](usingcurl/connections/keepalive.md#keep-alive), [Timeouts](usingcurl/timeouts.md#timeouts), [HTTP proxy tunneling](usingcurl/proxies/http.md#http-proxy-tunneling), [MITM proxy](usingcurl/proxies/mitm.md#mitm-proxy), [haproxy](usingcurl/proxies/haproxy.md#haproxy), [Available exit codes](usingcurl/returns.md#available-exit-codes), [TLS](usingcurl/tls.md#tls), [Debugging with TELNET](usingcurl/telnet.md#debugging-with-telnet), [TFTP](usingcurl/tftp.md#tftp), [QUIC](http/versions/http3.md#quic), [HTTPS](http/https.md#https), [Two connections](ftp/twoconnections.md#two-connections), [All options](libcurl/options/all.md#all-options), [Connection control](libcurl/conn.md#connection-control), [HTTP/3](libcurl/conn/how.md#http-slash-3), [Connection cache](libcurl/caches.md#connection-cache), [connectdata](internals/structs.md#connectdata)
+ - TCP: [Establish a connection](protocols/network.md#establish-a-connection), [How much do protocols change?](protocols/protocols.md#how-much-do-protocols-change), [DICT](protocols/curl.md#dict), [TCP vs UDP](cmdline/urls/port.md#tcp-vs-udp), [Connection reuse](cmdline/urls/connreuse.md#connection-reuse), [Available --write-out variables](usingcurl/verbose/writeout.md#available---write-out-variables), [Connections](usingcurl/connections.md#connections), [Connection timeout](usingcurl/connections/timeout.md#connection-timeout), [Local port number](usingcurl/connections/local-port.md#local-port-number), [Keep alive](usingcurl/connections/keepalive.md#keep-alive), [Timeouts](usingcurl/timeouts.md#timeouts), [HTTP proxy tunneling](usingcurl/proxies/http.md#http-proxy-tunneling), [MITM proxy](usingcurl/proxies/mitm.md#mitm-proxy), [haproxy](usingcurl/proxies/haproxy.md#haproxy), [Available exit codes](usingcurl/returns.md#available-exit-codes), [TLS](usingcurl/tls.md#tls), [Debugging with TELNET](usingcurl/telnet.md#debugging-with-telnet), [TFTP](usingcurl/tftp.md#tftp), [QUIC](http/versions/http3.md#quic), [HTTPS](http/https.md#https), [Two connections](ftp/twoconnections.md#two-connections), [All options](libcurl/options/all.md#all-options), [Connection control](libcurl/conn.md#connection-control), [HTTP/3](libcurl/conn/how.md#http-slash-3), [WebSocket](libcurl/ws.md#websocket), [Connection cache](libcurl/caches.md#connection-cache), [connectdata](internals/structs.md#connectdata)
  - TELNET: [What protocols does curl support?](protocols/protocols.md#what-protocols-does-curl-support), [TELNET](protocols/curl.md#telnet), [Supported schemes](cmdline/urls/scheme.md#supported-schemes), [Using curl](usingcurl.md#using-curl), [Version](usingcurl/version.md#version), [Available exit codes](usingcurl/returns.md#available-exit-codes), [TELNET](usingcurl/telnet.md#telnet), [All options](libcurl/options/all.md#all-options), [Variables](internals/tests/file-format.md#variables)
  - testing: [What does curl do?](project/does.md#what-does-curl-do), [Reporting bugs](project/bugs.md#reporting-bugs), [Handling build options](source/options.md#handling-build-options), [Contributing](source/contributing.md#contributing), [Run a local clone](source/web.md#run-a-local-clone), [Separate install](build/separate.md#separate-install), [About HTTP response code "errors"](libcurl-http/responses.md#about-http-response-code-errors), [Debug builds](internals/tests/debug.md#debug-builds), [Test servers](internals/tests/servers.md#test-servers), [Torture](internals/tests/torture.md#torture)
  - TFTP: [What protocols does curl support?](protocols/protocols.md#what-protocols-does-curl-support), [TFTP](protocols/curl.md#tftp), [Supported schemes](cmdline/urls/scheme.md#supported-schemes), [TCP vs UDP](cmdline/urls/port.md#tcp-vs-udp), [Using curl](usingcurl.md#using-curl), [Version](usingcurl/version.md#version), [Protocols allowing upload](usingcurl/uploads.md#protocols-allowing-upload), [Available exit codes](usingcurl/returns.md#available-exit-codes), [TFTP](usingcurl/tftp.md#tftp), [All options](libcurl/options/all.md#all-options), [Variables](internals/tests/file-format.md#variables), [Test servers](internals/tests/servers.md#test-servers)