diff --git a/docs/schema.rst b/docs/schema.rst
index aa78c55d..22773b8a 100644
--- a/docs/schema.rst
+++ b/docs/schema.rst
@@ -10,7 +10,7 @@ provide sufficient and shareable information of the data outside of the EHR (Ele
enabling capturing of sufficient structured data at the point of care by a clinician or clinical geneticist for sharing
with other labs or computational analysis of the data in clinical or research environments.
-This work has been produced as part of the `GA4GH Clinical Phenotype Data Capture Workstream `_ and is designed to
+This work has been produced as part of the `GA4GH Clinical Phenotype Data Capture Workstream `_ and is designed to
be compatible with `GA4GH metadata-schemas `_.
The phenopacket schema defines a common, limited set of data types which may be composed into more specialised types for
@@ -18,7 +18,7 @@ data sharing between resources using an agreed upon common schema.
This common schema has been used to define the 'Phenopacket' which is a catch-all collection of data types, specifically
focused on representing disease data both initial data capture and analysis. The phenopacket schema is designed to be both human
-and machine-readable, and to inter-operate with the `HL7 Fast Healthcare Interoperability Resources Specification (aka FHIR®) `_.
+and machine-readable, and to inter-operate with standards being developed in organizations such as in the `ISO TC215 comittee `_ and the `HL7 Fast Healthcare Interoperability Resources Specification (aka FHIR®) `_.
.. _phenopacket-schema-diagram:
@@ -29,4 +29,4 @@ The diagram below shows an overview of the schema elements.
.. figure:: graph/phenopacket-schema-v1.svg
-The schema is defined in protobuf. You can find out more in the section ':ref:`rstprotobuf`'.
\ No newline at end of file
+The schema is defined in protobuf. You can find out more in the section ':ref:`rstprotobuf`'.