Update 3.property-reference.md

docs-2.0/3.ngql-guide/4.variable-and-composite-queries/3.property-reference.md

@@ -88,7 +88,7 @@ nebula> GO FROM "player100" OVER follow YIELD follow._src, follow._dst, follow._
 
 !!! compatibility "历史版本兼容性"
 
-    从 Nebula Graph 2.6.0 起支持了新的 [Schema 函数](../6.functions-and-expressions/4.schema.md)。以上示例在 Nebula Graph {{ nebula.release}} 中的写法如下：
+    从 Nebula Graph 2.6.0 起支持了新的 [Schema 函数](../6.functions-and-expressions/4.schema.md)。以上示例在 Nebula Graph {{ nebula.release}} 中的近似写法如下：
 
     ```ngql
     GO FROM "player100" OVER follow YIELD properties($^).name AS startName, properties($$).age AS endAge;