diff --git a/docs/schema.rst b/docs/schema.rst
index 647fa8a..5b75a7a 100644
--- a/docs/schema.rst
+++ b/docs/schema.rst
@@ -19,19 +19,18 @@ times (once for every partition).
 Crossref data
 ~~~~~~~~~~~~~
 
-Crossref data concern works, identified through their DOI.
+Crossref data concern published works, identified through their DOI.
 
 .. figure:: ./schema/crossref.svg
    :alt: Crossref data schema
 
-PubMed data
-~~~~~~~~~~~
+DataCite data
+~~~~~~~~~~~~~
 
-PubMed data concern citations from the biomedical literature also
-identified through their DOI,
+DataCite data concern published data, identified through their DOI.
 
-.. figure:: ./schema/pubmed.svg
-   :alt: PubMed data schema
+.. figure:: ./schema/datacite.svg
+   :alt: DataCite data schema
 
 ORCID data
 ~~~~~~~~~~
@@ -41,6 +40,15 @@ ORCID data concern work authors, identified through their ORCID.
 .. figure:: ./schema/orcid.svg
    :alt: ORCID data schema
 
+PubMed data
+~~~~~~~~~~~
+
+PubMed data concern citations from the biomedical literature also
+identified through their DOI,
+
+.. figure:: ./schema/pubmed.svg
+   :alt: PubMed data schema
+
 ROR data
 ~~~~~~~~