check for timeout in limiter, fix typo

Author: Alexey Vekshin

internal/client/ratelimittransport.go

@@ -12,6 +12,8 @@ type rateLimitedHTTPTransport struct {
 }
 
 func (t *rateLimitedHTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) {
-	t.limiter.WaitCtx(req.Context())
+	if err := t.limiter.WaitCtx(req.Context()); err != nil {
+		return nil, err
+	}
 	return t.next.RoundTrip(req)
 }

libs/ratelimiter/window.go

@@ -9,7 +9,7 @@ import (
 
 // fixed winow rate limiter: limit number of request allowed per time interval
 // - keeps track of interval start and last call time
-// - on aquire:
+// - on acquire:
 //   - if last call was > interval length ago, refill bucket
 //   - if there are tokens available, spend one and return immediately
 //   - if not, wait until the end of interval, refill and spend one