Fix other link issues

Author: chenejac

datatypes/XXX.md

@@ -12,7 +12,7 @@ An additional description to communicate the purpose of the datatype.
 
 ## Components
 The list of fields the datatype is composed of.
-Similar to attributes for [entities](https://github.com/EuroCRIS/CERIF-ModuleTemplate/blob/main/DESCRIBING_ENTITIES.md#sections).
+Similar to attributes for [entities](https://github.com/EuroCRIS/CERIF-Core/blob/main/DESCRIBING_ENTITIES.md#sections).
 
 ## Restrictions
 1. ...

datatypes/YYY.md

@@ -11,7 +11,7 @@ The scope of the datatype and its meaning.<sup>[1](#fn1)</sup>
 An additional description to communicate the purpose of the datatype.
 
 ## Based on
-[XXX](https://github.com/EuroCRIS/CERIF-ModuleTemplate/blob/main/datatypes/String.md)
+[String](https://github.com/EuroCRIS/CERIF-Core/blob/main/datatypes/String.md)
 
 ## Restrictions
 1. ...

entities/XXX.md

@@ -14,7 +14,9 @@ An additional description to communicate the purpose of the entity.
 
 ## Attributes
 field Name 1 : [Date](https://github.com/EuroCRIS/CERIF-Core/blob/main/datatypes/Date.md)
+
 field Name 2 : [String](https://github.com/EuroCRIS/CERIF-Core/blob/main/datatypes/String.md)
+
 type : [XXX type](../datatypes/YYY.md)
 
 ## Relationships