diff --git a/tldr/gt b/tldr/gt
index d42c6ffb..b4519d87 100644
--- a/tldr/gt
+++ b/tldr/gt
@@ -6,28 +6,32 @@ source: https://github.com/tldr-pages/tldr.git
 # gt
 
 > Create and manage sequences of dependent code changes (stacks) for Git and GitHub.
-> More information: <https://docs.graphite.dev>.
-
-- Authenticate the CLI with Graphite's API:
-
-`gt auth --token {{graphite_cli_auth_token}}`
+> More information: <https://graphite.dev/docs/get-started>.
 
 - Initialise `gt` for the repository in the current directory:
 
-`gt repo init`
+`gt init`
 
 - Create a new branch stacked on top of the current branch and commit staged changes:
 
-`gt branch create {{branch_name}}`
+`gt create {{branch_name}}`
 
 - Create a new commit and fix upstack branches:
 
-`gt commit create -m {{commit_message}}`
+`gt modify -cam {{commit_message}}`
 
 - Force push all branches in the current stack to GitHub and create or update PRs:
 
 `gt stack submit`
 
+- Checkout different branch (prompts interactive mode when branch name is omitted):
+
+`gt co {{branch_name}}`
+
+- Sync stack with remote version (also deletes merged branches):
+
+`gt sync`
+
 - Log all tracked stacks:
 
 `gt log short`
diff --git a/tldr/linux/ip-maddress b/tldr/linux/ip-maddress
new file mode 100644
index 00000000..837755d3
--- /dev/null
+++ b/tldr/linux/ip-maddress
@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ip maddress
+
+> Manage multicast addresses.
+> More information: <https://manned.org/ip-maddress>.
+
+- List multicast addresses and how many programs are subscribed to them:
+
+`ip maddress`
+
+- List device specific addresses:
+
+`ip maddress show dev {{eth0}}`
+
+- Join a multicast group statically:
+
+`sudo ip maddress add {{33:33:00:00:00:02}} dev {{eth0}}`
+
+- Leave a static multicast group:
+
+`sudo ip maddress delete {{33:33:00:00:00:02}} dev {{eth0}}`
diff --git a/tldr/whatweb b/tldr/whatweb
new file mode 100644
index 00000000..5d705687
--- /dev/null
+++ b/tldr/whatweb
@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# whatweb
+
+> Next-generation web scanner.
+> More information: <https://morningstarsecurity.com/research/whatweb>.
+
+- Scan websites/targets for web technologies:
+
+`whatweb {{website1 website2 ...}}`
+
+- Read targets/websites from a file:
+
+`whatweb -i {{targets_file}}`
+
+- Scan a website/target in verbose mode:
+
+`whatweb -v {{example.com}}`
+
+- Run an aggressive scan on a website:
+
+`whatweb -a 3 {{example.com}}`
+
+- Scan a network and suppress errors:
+
+`whatweb --no-errors {{192.168.0.0/24}}`
+
+- List plugins:
+
+`whatweb -l`
+
+- List plugin details:
+
+`whatweb -I {{plugin_name}}`