diff --git a/src/spdx/writer/rdf/relationship_writer.py b/src/spdx/writer/rdf/relationship_writer.py
index fcef9648f..5f7ab274a 100644
--- a/src/spdx/writer/rdf/relationship_writer.py
+++ b/src/spdx/writer/rdf/relationship_writer.py
@@ -10,7 +10,7 @@
 # limitations under the License.
 from typing import Dict
 
-from rdflib import Graph, BNode, RDF, URIRef
+from rdflib import Graph, BNode, RDF, URIRef, RDFS, Literal
 
 from spdx.model.relationship import Relationship
 from spdx.model.spdx_no_assertion import SpdxNoAssertion
@@ -34,7 +34,7 @@ def add_relationship_to_graph(relationship: Relationship, graph: Graph, doc_name
         graph.add((relationship_node, SPDX_NAMESPACE.relatedSpdxElement,
                    URIRef(add_namespace_to_spdx_id(relationship.related_spdx_element_id, doc_namespace,
                                                    external_doc_ref_to_namespace))))
-
+    graph.add((relationship_node, RDFS.comment, Literal(relationship.comment)))
     relationship_resource = URIRef(
         add_namespace_to_spdx_id(relationship.spdx_element_id, doc_namespace, external_doc_ref_to_namespace))
     graph.add((relationship_resource, SPDX_NAMESPACE.relationship, relationship_node))
diff --git a/tests/spdx/writer/rdf/test_relationship_writer.py b/tests/spdx/writer/rdf/test_relationship_writer.py
index 998da1db8..fd028d618 100644
--- a/tests/spdx/writer/rdf/test_relationship_writer.py
+++ b/tests/spdx/writer/rdf/test_relationship_writer.py
@@ -8,7 +8,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from rdflib import Graph, URIRef
+from rdflib import Graph, URIRef, RDFS, Literal
 
 from spdx.writer.rdf.relationship_writer import add_relationship_to_graph
 from spdx.rdfschema.namespace import SPDX_NAMESPACE
@@ -23,3 +23,4 @@ def test_add_relationship_to_graph():
     assert(URIRef("docNamespace#SPDXRef-DOCUMENT"), SPDX_NAMESPACE.relationship, None) in graph
     assert (None, SPDX_NAMESPACE.relationshipType, SPDX_NAMESPACE.relationshipType_describes) in graph
     assert (None, SPDX_NAMESPACE.relatedSpdxElement, URIRef("docNamespace#SPDXRef-File")) in graph
+    assert (None, RDFS.comment, Literal(relationship.comment)) in graph