diff --git a/doc/stratum.md b/doc/stratum.md
index 450e97c7b..ee17da5f0 100644
--- a/doc/stratum.md
+++ b/doc/stratum.md
@@ -145,6 +145,7 @@ Example:
 
 A message initiated by the Stratum server.
 Stratum server will send job automatically to connected miners.
+The miner SHOULD interrupt current job if job_id = 0, and SHOULD replace the current job with this one after the current graph is complete.
 
 #### Request
 
@@ -553,4 +554,4 @@ Miners SHOULD, MAY or MUST respect the following rules:
 
 ## Reference Implementation <a name="referenceimplementation"></a>
 
-The current reference implementation is available at [mimblewimble/grin-miner](https://github.com/mimblewimble/grin-miner/blob/master/src/bin/client.rs).
\ No newline at end of file
+The current reference implementation is available at [mimblewimble/grin-miner](https://github.com/mimblewimble/grin-miner/blob/master/src/bin/client.rs).