Merge pull request #1 from asimhafeezz/patch-1

[README.md] Fix: Document Loaders and Text Splitting Implementation

Author: dtauer

README.md

@@ -29,6 +29,7 @@ Import the loaders
 ```javascript
 import { PDFLoader } from '@langchain/community/document_loaders/fs/pdf'
 import { YoutubeLoader } from '@langchain/community/document_loaders/web/youtube'
+import { CharacterTextSplitter } from 'langchain/text_splitter'
 ```
 
 Create the loaders using the community methods:
@@ -37,12 +38,24 @@ In `docsFromYTVideo`:
 
 ```javascript
 const loader = YoutubeLoader.createFromUrl(video, { language: 'en', addVideoInfo: true, })
-return loader.load( new CharacterTextSplitter({ separator: ' ', chunkSize: 2500, chunkOverlap: 200, }) )
+  const loadedDoc = await loader.load()
+  const splitter = new CharacterTextSplitter({
+    separator: ' ',
+    chunkSize: 2500,
+    chunkOverlap: 200,
+  })
+  return await splitter.splitDocuments(loadedDoc)
 ```
 
 In `docsFromPDF`: 
 
 ```javascript
 const docsFromPDF = async () => { const loader = new PDFLoader('./xbox.pdf')
-return loader.load( new CharacterTextSplitter({ separator: ' ', chunkSize: 2500, chunkOverlap: 200, }) ) }
+  const loadedDoc = await loader.load()
+  const splitter = new CharacterTextSplitter({
+    separator: '. ',
+    chunkSize: 2500,
+    chunkOverlap: 200,
+  })
+  return await splitter.splitDocuments(loadedDoc)
 ```