docs: fix broken link

apps/docs/docs/modules/data_loader.mdx

@@ -25,9 +25,11 @@ It is a simple reader that reads all files from a directory and its subdirectori
 
 Currently, it supports reading `.txt`, `.pdf`, `.csv`, `.md`, `.docx`, `.htm`, `.html`, `.jpg`, `.jpeg`, `.png` and `.gif` files, but support for other file types is planned.
 
-You can override the default reader for all file types, inlcuding unsupported ones, with the `overrideReader` option.
-Additionally, you can override the default reader for specific file types or add support for additional file types with the `fileExtToReader` option.
-Also, you can provide a `defaultReader` as a fallback for files with unsupported extensions. By default it is `TextFileReader`.
+You can modify the reader three different ways:
+
+- `overrideReader` overrides the reader for all file types, including unsupported ones.
+- `fileExtToReader` maps a reader to a specific file type. Can override reader for existing file types or add support for new file types.
+- `defaultReader` sets a fallback reader for files with unsupported extensions. By default it is `TextFileReader`.
 
 SimpleDirectoryReader supports up to 9 concurrent requests. Use the `numWorkers` option to set the number of concurrent requests. By default it runs in sequential mode, i.e. set to 1.
 
@@ -41,8 +43,10 @@ LlamaParse is an API created by LlamaIndex to efficiently parse files, e.g. it's
 
 To use it, first login and get an API key from https://cloud.llamaindex.ai. Make sure to store the key as `apiKey` parameter or in the environment variable `LLAMA_CLOUD_API_KEY`.
 
+Official documentation for LlamaIndex can be found [here](https://docs.cloud.llamaindex.ai/).
+
 Then, you can use the `LlamaParseReader` class to local files and convert them into a parsed document that can be used by LlamaIndex.
-See [LlamaParseReader.ts](https://github.com/run-llama/LlamaIndexTS/blob/main/packages/core/src/readers/LlamaParseReader.ts#L6) for a list of supported file types:
+See [LlamaParseReader.ts](https://github.com/run-llama/main/packages/llamaindex/src/readers/LlamaParseReader.ts) for a list of supported file types:
 
 <CodeBlock language="ts">{CodeSource3}</CodeBlock>