diff --git a/plugins/catalog/src/components/AboutCard/AboutCard.tsx b/plugins/catalog/src/components/AboutCard/AboutCard.tsx
index 6a782cffc1..34aa463c39 100644
--- a/plugins/catalog/src/components/AboutCard/AboutCard.tsx
+++ b/plugins/catalog/src/components/AboutCard/AboutCard.tsx
@@ -61,6 +61,10 @@ import EditIcon from '@material-ui/icons/Edit';
 import { isTemplateEntityV1beta3 } from '@backstage/plugin-scaffolder-common';
 import { parseEntityRef } from '@backstage/catalog-model';
 
+const TECHDOCS_ANNOTATION = 'backstage.io/techdocs-ref';
+
+const TECHDOCS_EXTERNAL_ANNOTATION = 'backstage.io/techdocs-entity';
+
 const useStyles = makeStyles({
   gridItemCard: {
     display: 'flex',
@@ -114,10 +118,10 @@ export function AboutCard(props: AboutCardProps) {
 
   let techdocsRef: CompoundEntityRef | undefined;
 
-  if (entity.metadata.annotations?.['backstage.io/techdocs-entity']) {
+  if (entity.metadata.annotations?.[TECHDOCS_EXTERNAL_ANNOTATION]) {
     try {
       techdocsRef = parseEntityRef(
-        entity.metadata.annotations?.['backstage.io/techdocs-entity'],
+        entity.metadata.annotations?.[TECHDOCS_EXTERNAL_ANNOTATION],
       );
       // not a fan of this but we don't care if the parseEntityRef fails
     } catch {
@@ -135,8 +139,8 @@ export function AboutCard(props: AboutCardProps) {
     label: 'View TechDocs',
     disabled:
       !(
-        entity.metadata.annotations?.['backstage.io/techdocs-ref'] ||
-        entity.metadata.annotations?.['backstage.io/techdocs-entity']
+        entity.metadata.annotations?.[TECHDOCS_ANNOTATION] ||
+        entity.metadata.annotations?.[TECHDOCS_EXTERNAL_ANNOTATION]
       ) || !viewTechdocLink,
     icon: <DocsIcon />,
     href:
diff --git a/plugins/techdocs/src/EntityPageDocs.tsx b/plugins/techdocs/src/EntityPageDocs.tsx
index 3d9aced9f3..af184bb1a8 100644
--- a/plugins/techdocs/src/EntityPageDocs.tsx
+++ b/plugins/techdocs/src/EntityPageDocs.tsx
@@ -25,15 +25,17 @@ import { TechDocsReaderPage } from './plugin';
 import { TechDocsReaderPageContent } from './reader/components/TechDocsReaderPageContent';
 import { TechDocsReaderPageSubheader } from './reader/components/TechDocsReaderPageSubheader';
 
+const TECHDOCS_EXTERNAL_ANNOTATION = 'backstage.io/techdocs-entity';
+
 type EntityPageDocsProps = { entity: Entity };
 
 export const EntityPageDocs = ({ entity }: EntityPageDocsProps) => {
   let entityRef = getCompoundEntityRef(entity);
 
-  if (entity.metadata.annotations?.['backstage.io/techdocs-entity']) {
+  if (entity.metadata.annotations?.[TECHDOCS_EXTERNAL_ANNOTATION]) {
     try {
       entityRef = parseEntityRef(
-        entity.metadata.annotations?.['backstage.io/techdocs-entity'],
+        entity.metadata.annotations?.[TECHDOCS_EXTERNAL_ANNOTATION],
       );
     } catch {
       // not a fan of this but we don't care if the parseEntityRef fails
diff --git a/plugins/techdocs/src/Router.tsx b/plugins/techdocs/src/Router.tsx
index 3a0d2515d8..b06fec8fb7 100644
--- a/plugins/techdocs/src/Router.tsx
+++ b/plugins/techdocs/src/Router.tsx
@@ -84,7 +84,7 @@ export const EmbeddedDocsRouter = (props: PropsWithChildren<{}>) => {
   if (!projectId) {
     return (
       <MissingAnnotationEmptyState
-        annotation={[TECHDOCS_ANNOTATION, TECHDOCS_EXTERNAL_ANNOTATION]}
+        annotation={[TECHDOCS_ANNOTATION]}
       />
     );
   }
diff --git a/yarn.lock b/yarn.lock
index 40bb6fcaa8..ae6b5bac8a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -21147,9 +21147,9 @@ __metadata:
   linkType: hard
 
 "caniuse-lite@npm:^1.0.0, caniuse-lite@npm:^1.0.30001400":
-  version: 1.0.30001407
-  resolution: "caniuse-lite@npm:1.0.30001407"
-  checksum: e1c449d22f120a708accc956c1780f1da01af6c226cb6a324e531dc9f26f53075bff98e6c9cfce806157cdeede459aa8de03a3407b05f71d292a57b2910018b1
+  version: 1.0.30001522
+  resolution: "caniuse-lite@npm:1.0.30001522"
+  checksum: 56e3551c02ae595085114073cf242f7d9d54d32255c80893ca9098a44f44fc6eef353936f234f31c7f4cb894dd2b6c9c4626e30649ee29e04d70aa127eeefeb0
   languageName: node
   linkType: hard