diff --git a/src/main/java/eu/dnetlib/dhp/schema/oaf/EoscIfGuidelines.java b/src/main/java/eu/dnetlib/dhp/schema/oaf/EoscIfGuidelines.java
index 1040a79..2e8a1b6 100644
--- a/src/main/java/eu/dnetlib/dhp/schema/oaf/EoscIfGuidelines.java
+++ b/src/main/java/eu/dnetlib/dhp/schema/oaf/EoscIfGuidelines.java
@@ -13,7 +13,8 @@ import org.apache.commons.lang3.StringUtils;
 public class EoscIfGuidelines implements Serializable {
 
     /**
-     * EOSC-IF code
+     * EOSC-IF local code. Later on it could be populated with a PID (e.g. DOI), but for the time being we stick to
+     * a more loose definition.
      */
     private String code;
 
@@ -28,7 +29,7 @@ public class EoscIfGuidelines implements Serializable {
     private String url;
 
     /**
-     * EOSC-IF semantic relation
+     * EOSC-IF semantic relation (e.g. compliesWith). Values shall be controlled by a dedicated vocabulary.
      */
     private String semanticRelation;