diff --git a/docs/reference/mapping/types/date_nanos.asciidoc b/docs/reference/mapping/types/date_nanos.asciidoc
index 1a3b390b1690c..3799426c6881b 100644
--- a/docs/reference/mapping/types/date_nanos.asciidoc
+++ b/docs/reference/mapping/types/date_nanos.asciidoc
@@ -152,8 +152,7 @@ of official GA features.
 
 `date_nanos` fields support <<synthetic-source,synthetic `_source`>> in their
 default configuration. Synthetic `_source` cannot be used together with
-<<copy-to,`copy_to`>>, <<ignore-malformed,`ignore_malformed`>> set to true
-or with <<doc-values,`doc_values`>> disabled.
+<<copy-to,`copy_to`>> or with <<doc-values,`doc_values`>> disabled.
 
 Synthetic source always sorts `date_nanos` fields. For example:
 [source,console,id=synthetic-source-date-nanos-example]
diff --git a/docs/reference/mapping/types/keyword.asciidoc b/docs/reference/mapping/types/keyword.asciidoc
index 59d307c4df0ad..7f5ba1b20481f 100644
--- a/docs/reference/mapping/types/keyword.asciidoc
+++ b/docs/reference/mapping/types/keyword.asciidoc
@@ -181,7 +181,7 @@ of official GA features.
 
 `keyword` fields support <<synthetic-source,synthetic `_source`>> in their
 default configuration. Synthetic `_source` cannot be used together with
-a <<normalizer,`normalizer`>> or <<copy-to,`copy_to`>>.
+<<copy-to,`copy_to`>>.
 
 By default, synthetic source sorts `keyword` fields and removes duplicates.
 For example: