diff --git a/packages/mermaid/src/docs/syntax/sequenceDiagram.md b/packages/mermaid/src/docs/syntax/sequenceDiagram.md
index 4fc25bd12..ae2c7fd02 100644
--- a/packages/mermaid/src/docs/syntax/sequenceDiagram.md
+++ b/packages/mermaid/src/docs/syntax/sequenceDiagram.md
@@ -205,11 +205,22 @@ sequenceDiagram
Note over Alice,John: A typical interaction
```
-It is also possible to add a line break (applies to text input in general):
+## Line breaks
+
+Line break can be added to Note and Message:
```mermaid-example
sequenceDiagram
- Alice->John: Hello John, how are you?
+ Alice->John: Hello John,
how are you?
+ Note over Alice,John: A typical interaction
But now in two lines
+```
+
+Line breaks in Actor names requires aliases:
+
+```mermaid-example
+sequenceDiagram
+ participant Alice as Alice
Johnson
+ Alice->John: Hello John,
how are you?
Note over Alice,John: A typical interaction
But now in two lines
```