diff --git a/docs/reference/mapping/fields.asciidoc b/docs/reference/mapping/fields.asciidoc
index 44175cf768d..90d75b97841 100644
--- a/docs/reference/mapping/fields.asciidoc
+++ b/docs/reference/mapping/fields.asciidoc
@@ -35,7 +35,7 @@ can be customised when a mapping type is created.
 {plugins}/mapper-size.html[`_size`]::
 
     The size of the `_source` field in bytes, provided by the
-    {plugins}/mapping-size.html[`mapper-size` plugin].
+    {plugins}/mapper-size.html[`mapper-size` plugin].
 
 [float]
 === Indexing meta-fields