diff --git a/docs/sequenceDiagram.md b/docs/sequenceDiagram.md
index 619f33243..a570f660a 100644
--- a/docs/sequenceDiagram.md
+++ b/docs/sequenceDiagram.md
@@ -97,7 +97,7 @@ Messages can be of two displayed either solid or with a dotted line.
 
     [Actor][Arrow][Actor]:Message text
 
-There are six types of arrows currently supported:
+There are eight types of arrows currently supported:
 
 | Type | Description                                      |
 | ---- | ------------------------------------------------ |
diff --git a/packages/mermaid/src/docs/sequenceDiagram.md b/packages/mermaid/src/docs/sequenceDiagram.md
index 434e9572f..582bbe174 100644
--- a/packages/mermaid/src/docs/sequenceDiagram.md
+++ b/packages/mermaid/src/docs/sequenceDiagram.md
@@ -66,7 +66,7 @@ Messages can be of two displayed either solid or with a dotted line.
 [Actor][Arrow][Actor]:Message text
 ```
 
-There are six types of arrows currently supported:
+There are eight types of arrows currently supported:
 
 | Type | Description                                      |
 | ---- | ------------------------------------------------ |