diff --git a/README.md b/README.md
index 0e5dd7b0..553f8866 100644
--- a/README.md
+++ b/README.md
@@ -527,7 +527,7 @@ Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`. By default, the m
 
   - **\*\*\*SPAM\*\*\*** => add tag to subject if spam detected
 
-Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`
+Note: this spamassassin setting needs `ENABLE_SPAMASSASSIN=1`. Add the spamassassin score to the subject line by inserting the keyword _SCORE_: **\*\*\*SPAM(_SCORE_)\*\*\***.
 
 ##### SA_SHORTCIRCUIT_BAYES_SPAM