diff --git a/docs/reference/indices/get-alias.asciidoc b/docs/reference/indices/get-alias.asciidoc
index f2cb5ebab5a..c580b7063ee 100644
--- a/docs/reference/indices/get-alias.asciidoc
+++ b/docs/reference/indices/get-alias.asciidoc
@@ -50,7 +50,10 @@ include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=expand-wildcards]
 +
 Defaults to `all`.
 
-include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=index-ignore-unavailable]
+`ignore_unavailable`::
+(Optional, boolean)
+If `false`, requests that include a missing index in the `<index>` argument
+return an error. Defaults to `false`.
 
 include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=local]
 
diff --git a/docs/reference/indices/get-index.asciidoc b/docs/reference/indices/get-index.asciidoc
index 32cf35ef1ef..ff048f746d2 100644
--- a/docs/reference/indices/get-index.asciidoc
+++ b/docs/reference/indices/get-index.asciidoc
@@ -53,7 +53,10 @@ include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=include-defaults]
 
 include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=include-type-name]
 
-include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=index-ignore-unavailable]
+`ignore_unavailable`::
+(Optional, boolean)
+If `false`, requests that target a missing index return an error. Defaults to
+`false`.
 
 include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=local]