Update Downloader.kt

closed the outputStream and edited a comment

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -506,7 +506,7 @@ class Downloader(
     }
 
     /**
-     * Data type for details.json
+     * Data class for details.json
      */
     @Serializable
     data class Details(
@@ -549,6 +549,7 @@ class Downloader(
                 )
             }
             outputStream?.write(json.encodeToString(detailsData).toByteArray())
+            outputStream?.close()
         } catch (e: Exception) {
             logcat(LogPriority.ERROR, e) { "Error creating details.json for ${manga.title}" }
         }