Update rest.go (ethereum#349)

Co-authored-by: Krishna Upadhyaya <krishnau1604@gmail.com>

consensus/bor/rest.go

@@ -113,7 +113,7 @@ func (h *HeimdallClient) FetchWithRetry(rawPath string, rawQuery string) (*Respo
 			if err == nil && res != nil {
 				return res, nil
 			}
-			log.Info("Retrying again in 5 seconds for next Heimdall data", "path", u.Path)
+			log.Info("Retrying again in 5 seconds to fetch data from Heimdall", "path", u.Path)
 		}
 	}
 }