[DOCS] Correct definition for `allow_no_indices` parameter (#46450)

docs/reference/rest-api/common-parms.asciidoc

@@ -20,10 +20,13 @@ end::index-alias-filter[]
 
 tag::allow-no-indices[]
 `allow_no_indices`::
-(Optional, boolean) If `true`, the request returns an error if a wildcard
-expression or `_all` value retrieves only missing or closed indices. This
-parameter also applies to <<indices-aliases,index aliases>> that point to a
-missing or closed index.
+(Optional, boolean) If `true`,
+the request does *not* return an error
+if a wildcard expression
+or `_all` value retrieves only missing or closed indices.
++
+This parameter also applies to <<indices-aliases,index aliases>>
+that point to a missing or closed index.
 end::allow-no-indices[]
 
 tag::analyzer[]