diff --git a/README.md b/README.md
index f331feff..f2e24ce8 100644
--- a/README.md
+++ b/README.md
@@ -127,11 +127,11 @@ Application behavior can be changed by configuring the following environment var
 
 #### Display
 - `NEXT_PUBLIC_CATEGORY_VISIBILITY`
-  - Comma-separated value controlling which photos sets appear in grid sidebar and CMD-K menu, and in what order. For example, you could move cameras above tags, and hide film simulations, by updating to `cameras,tags,recipes`.
+  - Comma-separated value controlling which photo sets appear in grid sidebar and CMD-K menu, and in what order. For example, you could move cameras above tags, and hide film simulations, by updating to `cameras,tags,lenses,recipes`.
   - Accepted values:
      - `tags` (default)
      - `cameras` (default)
-     - `lenses` 
+     - `lenses` (default)
      - `recipes` (default)
      - `films` (default)
      - `focal-lengths`
diff --git a/src/category/index.ts b/src/category/index.ts
index be9f044a..acd4f40a 100644
--- a/src/category/index.ts
+++ b/src/category/index.ts
@@ -23,6 +23,7 @@ export type CategoryKeys = CategoryKey[];
 export const DEFAULT_CATEGORY_KEYS: CategoryKeys = [
   'tags',
   'cameras',
+  'lenses',
   'recipes',
   'films',
 ];