diff --git a/docs/syntax/entityRelationshipDiagram.md b/docs/syntax/entityRelationshipDiagram.md
index def8c9f3a..9023f763a 100644
--- a/docs/syntax/entityRelationshipDiagram.md
+++ b/docs/syntax/entityRelationshipDiagram.md
@@ -286,7 +286,7 @@ erDiagram
 
 - If you want the relationship label to be more than one word, you must use double quotes around the phrase
 - If you don't want a label at all on a relationship, you must use an empty double-quoted string
-- If you want a multi-line label on a relationship, use `<br />` between the two lines (`"first line<br />second line"`)
+- (v10.8.0+) If you want a multi-line label on a relationship, use `<br />` between the two lines (`"first line<br />second line"`)
 
 ## Styling
 
diff --git a/packages/mermaid/src/docs/syntax/entityRelationshipDiagram.md b/packages/mermaid/src/docs/syntax/entityRelationshipDiagram.md
index e08b1930f..06e7c96b4 100644
--- a/packages/mermaid/src/docs/syntax/entityRelationshipDiagram.md
+++ b/packages/mermaid/src/docs/syntax/entityRelationshipDiagram.md
@@ -192,7 +192,7 @@ erDiagram
 
 - If you want the relationship label to be more than one word, you must use double quotes around the phrase
 - If you don't want a label at all on a relationship, you must use an empty double-quoted string
-- If you want a multi-line label on a relationship, use `<br />` between the two lines (`"first line<br />second line"`)
+- (v10.8.0+) If you want a multi-line label on a relationship, use `<br />` between the two lines (`"first line<br />second line"`)
 
 ## Styling