Update reference.md

remi-kazeroni · SarahAlidoost · web-flow · commit 6db2ed476f7b · 2022-06-22T13:53:25.000+02:00
Co-authored-by: SarahAlidoost &lt;55081872+SarahAlidoost@users.noreply.github.com&gt;
diff --git a/reference.md b/reference.md
@@ -5,7 +5,7 @@ layout: reference
 ## Glossary
 
 
-## Refences:
+## References:
 
 [ESMValTool main website](https://www.esmvaltool.org/)
 
