pages*: fix documentation mistakes (#11641)

* a2ping: minor fixes

* ab: fix mnemonics

* ab: fix mnemonics

* ab: fix mnemonics

* abduco: add mnemonics

* accelerate: use Hugging Face as a trademark

* ack: highlight grep as a command

* acme.sh: highlight certbot as command

* act: add mnemonics

* ag: highlight ack as command

* age-keygen: add Oxford comma

* linux/shutdown: add mnemonics

* airdecap-ng: use Oxford comma

* alex: use standard path name template

pages/common/ab.md

@@ -15,10 +15,10 @@
 
 `ab -n {{100}} -T {{application/json}} -p {{path/to/file.json}} {{url}}`
 
-- Use HTTP [K]eep Alive, i.e. perform multiple requests within one HTTP session:
+- Use HTTP [k]eep-Alive, i.e. perform multiple requests within one HTTP session:
 
 `ab -k {{url}}`
 
-- Set the maximum number of seconds to spend for benchmarking:
+- Set the maximum number of seconds ([t]imeout) to spend for benchmarking:
 
 `ab -t {{60}} {{url}}`