docs: rephrase the vale warnings that have a better wording

Words the alex and Microsoft styles flag where a plainer one reads as well:
disabled/special/invalid as a state, primitive, trap, hang, several, click,
first-person FAQ questions, hyphenated adverb pairs. Left as they are: Let's
Encrypt, quoted UI labels and phrases, the generated forge CLI reference, and
the middle-click gesture.

docs/swarm/bao.md

@@ -91,7 +91,7 @@ constrain what a policy says. What bounds it:
   restart, with the keys `init` printed.
 
 ⚠️ **A sealed store still answers.** The container is up and the port
-responds while every read times out — the failure looks like a hang, not like
+responds while every read times out — the failure looks like a stall, not like
 a store that was never initialised.
 
 ## TLS