fix markdown problem in validate.md
@@ -167,8 +167,8 @@ A data cell can contain more than one logical entity if these are separated usin
|header 1 |header 2 |
|--------------------------------|--------------------------------|
-| |`subclass-of %1` |
-|`data1A | data1B` |`data2A | data2B` |
+| |subclass-of %1 |
+|data1A \| data1B |data2A \| data2B |
|... | |
In this case, the following validations will be performed:
