diff --git a/pkg/mining/service.go b/pkg/mining/service.go
index 1c5c65f..f0647a9 100644
--- a/pkg/mining/service.go
+++ b/pkg/mining/service.go
@@ -125,7 +125,8 @@ func respondWithMiningError(c *gin.Context, err *MiningError) {
 	c.JSON(err.StatusCode(), apiErr)
 }
 
-// isRetryableError determines if an error status code is retryable
+// isRetryableError(http.StatusServiceUnavailable) // => true
+// isRetryableError(http.StatusNotFound)            // => false
 func isRetryableError(status int) bool {
 	return status == http.StatusServiceUnavailable ||
 		status == http.StatusTooManyRequests ||