diff --git a/concise-swid-tag.cddl b/concise-swid-tag.cddl
index a7fb804..e5a8a2f 100644
--- a/concise-swid-tag.cddl
+++ b/concise-swid-tag.cddl
@@ -13,7 +13,7 @@ concise-swid-tag = {
   entity => entity-entry / [ 2* entity-entry ],
   ? link => link-entry / [ 2* link-entry ],
   ? (( payload => payload-entry ) // ( evidence => evidence-entry )),
-  * $$coswid-extension 
+  * $$coswid-extension
 }
 
 any-uri = text
@@ -63,7 +63,7 @@ link-entry = {
   rel => $rel,
   ? media-type => text,
   ? use => $use,
-  * $$link-extension 
+  * $$link-extension
 }
 
 $ownership /= shared
@@ -71,7 +71,7 @@ $ownership /= private
 $ownership /= abandon
 $ownership /= uint / text
 
-$rel /= ancestor 
+$rel /= ancestor
 $rel /= component
 $rel /= feature
 $rel /= installationmedia
@@ -81,7 +81,7 @@ $rel /= patches
 $rel /= requires
 $rel /= see-also
 $rel /= supersedes
-$rel /= supplemental
+$rel /= supplements
 $rel /= uint / text
 
 $use /= optional
@@ -159,7 +159,7 @@ filesystem-item = (
 payload-entry = {
   global-attributes,
   resource-collection,
-  * $$payload-extension 
+  * $$payload-extension
 }
 
 evidence-entry = {
@@ -167,7 +167,7 @@ evidence-entry = {
   resource-collection,
   ? date => time,
   ? device-id => text,
-  * $$evidence-extension 
+  * $$evidence-extension
 }
 
 ; "global map member" integer indexes
@@ -259,7 +259,7 @@ patches=7
 requires=8
 see-also=9
 supersedes=10
-supplemental=11
+supplements=11
 
 ; "use" integer indexes
 optional=1
diff --git a/draft-ietf-sacm-coswid.md b/draft-ietf-sacm-coswid.md
index 7eefbd8..1f419b5 100644
--- a/draft-ietf-sacm-coswid.md
+++ b/draft-ietf-sacm-coswid.md
@@ -565,7 +565,7 @@ $rel /= patches
 $rel /= requires
 $rel /= see-also
 $rel /= supersedes
-$rel /= supplemental
+$rel /= supplements
 $rel /= uint / text
 ancestor=1
 component=2
@@ -577,7 +577,7 @@ patches=7
 requires=8
 see-also=9
 supersedes=10
-supplemental=11
+supplements=11
 
 $use /= optional
 $use /= required
@@ -978,7 +978,7 @@ The following table indicates the index value to use for the link-entry group's
 | 8     | requires          | The link references a prerequisite for installing this software. A patch SWID/CoSWID tag (see {{intro-lifecycle}}) can use this to represent base software or another patch that needs to be installed first.
 | 9     | see-also          | The link references other software that may be of interest that relates to this software.
 | 10    | supersedes        | The link references another software that this software replaces. A patch SWID/CoSWID tag (see {{intro-lifecycle}}) can use this to represent another patch that this patch incorporates or replaces.
-| 11    | supplemental      | The link references a SWID/CoSWID tag that this tag supplements. Used on supplemental SWID/CoSWID tags (see {{intro-lifecycle}}).
+| 11    | supplements      | The link references a SWID/CoSWID tag that this tag supplements. Used on supplemental SWID/CoSWID tags (see {{intro-lifecycle}}).
 {: #tbl-indexed-link-rel-values title="Link Relationship Values"}
 
 The values above are registered in the IANA "SWID/CoSWID Link Relationship Value" registry defined in section {{iana-link-rel}}. Additional values will likely be registered over time. Additionally, the index values 32768 through 65535 and the name prefix "x_" have been reserved for private use.
@@ -1267,7 +1267,7 @@ defined in {{SWID}}.
 | 8           | requires                 | See {{indexed-link-rel}}
 | 9           | see-also                 | See {{indexed-link-rel}}
 | 10          | supersedes               | See {{indexed-link-rel}}
-| 11          | supplemental             | See {{indexed-link-rel}}
+| 11          | supplements              | See {{indexed-link-rel}}
 | 12-65535    | Unassigned               |
 {: #tbl-iana-link-rel-values title="CoSWID Link Relationship Inital Registrations"}
 
@@ -1660,4 +1660,3 @@ Additionally, the COSE Header counter signature MAY be used as an attribute in t
 
 <!--  LocalWords:  SWID verifier TPM filesystem discoverable
  -->
-