diff --git a/src/main/kotlin/service/CollectionItemService.kt b/src/main/kotlin/service/CollectionItemService.kt
index 41d076b..a9b0a95 100644
--- a/src/main/kotlin/service/CollectionItemService.kt
+++ b/src/main/kotlin/service/CollectionItemService.kt
@@ -86,7 +86,7 @@ class CollectionItemService(private val connection: Connection) {
         try {
             val resultSet = statement.executeQuery()
             // Only return non-archived books
-            if (resultSet.next() and !resultSet.getBoolean("is_archived")) {
+            if (resultSet.next() && !resultSet.getBoolean("is_archived")) {
                 return createItemFromResult(resultSet)
             } else {
                 throw DbElementNotFoundException("Could not find collection item. resultSet: $resultSet")
@@ -183,6 +183,6 @@ fun createItemFromResult(resultSet: ResultSet): CollectionItem {
             lostDate = lostDate.toString()
         )
     } catch (cause: NullPointerException) {
-        throw DbElementInsertionException("${cause.message}\nresultSet = ${resultSet.getMetaData()}")
+        throw DbElementInsertionException("${cause.message}\nresultSet = ${resultSet.metaData}")
     }
 }
diff --git a/src/main/resources/openapi/documentation.yaml b/src/main/resources/openapi/documentation.yaml
index b533d24..81f04e7 100644
--- a/src/main/resources/openapi/documentation.yaml
+++ b/src/main/resources/openapi/documentation.yaml
@@ -29,7 +29,7 @@ paths:
           content:
             application/json:
               schema:
-                $ref: "./endpoints/items.yaml#/components/schemas/CollectionItem"
+                $ref: "#/components/schemas/CollectionItem"
         "400":
           description: "Bad Request. Something was malformed or missing."
         "404":