diff --git a/modules/Contacts/Contacts.php b/modules/Contacts/Contacts.php
index b58cb097347d7d2a58a9fb170546bcff2d3ff6b4..bcf0ba82e6eadb079ea89c488a5dc4538c2f07dc 100644
--- a/modules/Contacts/Contacts.php
+++ b/modules/Contacts/Contacts.php
@@ -1614,6 +1614,7 @@ function get_contactsforol($user_name)
         return $relatedIds;
     }
 
+	// The function to get projectIds related to contacts.
 	function getRelatedProjectIds($id) {
 		$relatedIds = array();
 		$db = PearDatabase::getInstance();
diff --git a/pkg/vtiger/modules/Projects/Project/modules/Project/models/Relation.php b/pkg/vtiger/modules/Projects/Project/modules/Project/models/Relation.php
index 99f482f507b767b6977a55c0f9dbcdc4d5c92c1d..f1f2366fc53688ab1e824cfcb55f187a4e8adb42 100644
--- a/pkg/vtiger/modules/Projects/Project/modules/Project/models/Relation.php
+++ b/pkg/vtiger/modules/Projects/Project/modules/Project/models/Relation.php
@@ -22,6 +22,7 @@ class Project_Relation_Model extends Vtiger_Relation_Model{
 		$sourceModuleFocus = CRMEntity::getInstance($sourceModuleName);
         	$sourceModuleFocus->delete_related_module($sourceModuleName, $sourceRecordId, $destinationModuleName, $relatedRecordId);
 			$destinationModuleFocus = CRMEntity::getInstance($destinationModuleName);
+			//unlink the relationship with the related module.
 			$destinationModuleFocus->unlinkRelationship($relatedRecordId, $sourceModuleName, $sourceRecordId);
 			$sourceModuleFocus->trackUnLinkedInfo($sourceModuleName, $sourceRecordId, $destinationModuleName, $relatedRecordId);
 		return true;