diff --git a/Makefile b/Makefile
index b0c80ef63113..818ced96185a 100644
--- a/Makefile
+++ b/Makefile
@@ -155,7 +155,7 @@ doc-serve:
 
 .PHONY: doc-spellcheck
 doc-spellcheck: doc
-	. $(SPHINXENV) ; python3 -m pyspelling -c doc/.sphinx/spellingcheck.yaml
+	. $(SPHINXENV) ; python3 -m pyspelling -c doc/.sphinx/spellingcheck.yaml -j $(shell nproc)
 
 .PHONY: doc-linkcheck
 doc-linkcheck: doc-setup
diff --git a/doc/.sphinx/spellingcheck.yaml b/doc/.sphinx/spellingcheck.yaml
index 00baeea57eba..710155cfe5e3 100644
--- a/doc/.sphinx/spellingcheck.yaml
+++ b/doc/.sphinx/spellingcheck.yaml
@@ -1,4 +1,3 @@
-jobs: 2
 matrix:
 - name: Markdown files
   aspell: