docs: fixed some typos, formatting, grammar (#11540)

# Which Problems Are Solved

- Typos
- Punctuation
- Markdown table formatting
- ...

(A bunch of issues my editor gave)

# How the Problems Are Solved


# Additional Changes


# Additional Context

internal/eventstore/handler/v2/handler.go

@@ -512,7 +512,7 @@ func (h *Handler) lockInstance(ctx context.Context, config *triggerConfig) func(
 	}
 
 	// in case we want to wait for a running trigger / lock (e.g. query),
-	// we try to lock as long as the context is not cancelled
+	// we try to lock as long as the context is not canceled
 	select {
 	case instanceLock.(chan bool) <- true:
 		return func() {