diff --git a/docs/data/use_of_oai_pmh.rst b/docs/data/use_of_oai_pmh.rst
index edb3ac3..b05fa70 100644
--- a/docs/data/use_of_oai_pmh.rst
+++ b/docs/data/use_of_oai_pmh.rst
@@ -23,7 +23,7 @@ OpenAIRE ``openaire_data``
 ======== =================
 
 .. note::
-   A harvester only uses the **setSpec** value to perform selective harvesting. The letters of the setSpec must be in small caps.
+   A harvester only uses the **setSpec** value to perform selective harvesting. The letters of the setSpec must be in lowercase.
 
 .. _d:setcontent:
 
diff --git a/docs/literature/use_of_oai_pmh.rst b/docs/literature/use_of_oai_pmh.rst
index 6a9ec0c..91ba4ce 100644
--- a/docs/literature/use_of_oai_pmh.rst
+++ b/docs/literature/use_of_oai_pmh.rst
@@ -23,7 +23,7 @@ OpenAIRE ``openaire``
 ======== ============
 
 .. note::
-   A harvester only uses the **setSpec** value to perform selective harvesting. The letters of the setSpec must be in small caps.
+   A harvester only uses the **setSpec** value to perform selective harvesting. The letters of the setSpec must be in lowercase.
 
 Set content
 ~~~~~~~~~~~