diff --git a/docs/api/indexing.md b/docs/api/indexing.md
index 7c04ebbc2..5fd56cacb 100644
--- a/docs/api/indexing.md
+++ b/docs/api/indexing.md
@@ -55,7 +55,7 @@ Fuse will automatically index the table if one isn't provided during instantiati
 
 ### `Fuse.parseIndex`
 
-Parses a serialized Fuse index.
+Parses a serialized Fuse index from a json object representation.
 
 **Example**
 
@@ -69,6 +69,9 @@ fs.writeFile('fuse-index.json', JSON.stringify(myIndex.toJSON()))
 // (2) When app starts
 // Load and deserialize index
 const fuseIndex = await require('fuse-index.json')
+// Alternatively, if fetching the index, convert to json before parsing.
+const fuseIndex = await fetch('./fuse-index.json').then(r => r.json())
+
 const myIndex = Fuse.parseIndex(fuseIndex)
 // initialize Fuse with the index
 const fuse = new Fuse(books, options, myIndex)
diff --git a/src/index.d.ts b/src/index.d.ts
index a039a8307..d6f3c9d21 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -91,7 +91,10 @@ declare class Fuse<T> {
   ): FuseIndex<U>
 
   public static parseIndex<U>(
-    index: any,
+    index: {
+      keys: ReadonlyArray<string>
+      records: FuseIndexRecords
+    },
     options?: FuseIndexOptions<U>
   ): FuseIndex<U>