Fixed typo and added a type

plugins/catalog/src/api/CatalogClient.ts

@@ -44,7 +44,7 @@ export class CatalogClient implements CatalogApi {
     throw new Error(`'Entity not found: ${name}`);
   }
   async getLocationByEntity(entity: Entity): Promise<Location | undefined> {
-    const findLocationIdInEntity = (e: Entity) =>
+    const findLocationIdInEntity = (e: Entity): string | undefined =>
       e.metadata.annotations?.['backstage.io/managed-by-location'];
 
     const locationId = findLocationIdInEntity(entity);

plugins/catalog/src/components/CatalogPage/CatalogPage.tsx

@@ -81,7 +81,7 @@ const CatalogPage: FC<{}> = () => {
   const actions = [
     (rowData: Component) => ({
       icon: GitHub,
-      tooltop: 'View on GitHub',
+      tooltip: 'View on GitHub',
       onClick: () => {
         if (!rowData || !rowData.location) return;
         window.open(rowData.location.target, '_blank');