diff --git a/en/option/partial/emphasis-common.md b/en/option/partial/emphasis-common.md
index e4354aca..117dd5bb 100644
--- a/en/option/partial/emphasis-common.md
+++ b/en/option/partial/emphasis-common.md
@@ -49,6 +49,11 @@ When the data is highlighted, whether to fade out of other data to focus the hig
 + `'relative'` Focus on all ancestor and descendants nodes. (Since `v${version}`)
 {{ /if }}
 
+
+{{ if: ${isSankey} }}
++ `'trajectory'` Focus on all the elements connected to the node or edge in the graph.
+{{ /if }}
+
 **Example: **
 
 {{ if: !${isGeoCoordSys} }}
diff --git a/en/option/series/sankey.md b/en/option/series/sankey.md
index 2324c00e..60ab8ad1 100644
--- a/en/option/series/sankey.md
+++ b/en/option/series/sankey.md
@@ -216,7 +216,8 @@ Configurations of emphasis state.
 ) }}
 
 {{ use: partial-focus-blur-scope(
-    isGraph = true
+    isGraph = true,
+    isSankey = true
 ) }}
 
 {{ use: sankey-state(