Fix PdfLoader doc (#394)

Author: stellasia

CHANGELOG.md

@@ -2,20 +2,27 @@
 
 ## Next
 
+### Fixed
+
+- Fixed documentation for PdfLoader
+
 ## 1.9.0
 
 ### Fixed
 
 - Fixed a bug where Session nodes were duplicated.
 
+## Added
+
+- Added automatic rate limiting with retry logic and exponential backoff for all LLM providers using tenacity. The `RateLimitHandler` interface allows for custom rate limiting strategies, including the ability to disable rate limiting entirely.
+
 ## 1.8.0
 
 ### Added
 
 - Support for Python 3.13
 - Added support for automatic schema extraction from text using LLMs. In the `SimpleKGPipeline`, when the user provides no schema, the automatic schema extraction is enabled by default.
 - Added ability to return a user-defined message if context is empty in GraphRAG (which skips the LLM call).
-- Added automatic rate limiting with retry logic and exponential backoff for all LLM providers using tenacity. The `RateLimitHandler` interface allows for custom rate limiting strategies, including the ability to disable rate limiting entirely.
 
 ### Fixed
 

docs/source/user_guide_kg_builder.rst

@@ -583,7 +583,7 @@ This package currently supports text extraction from PDFs:
     from neo4j_graphrag.experimental.components.pdf_loader import PdfLoader
 
     loader = PdfLoader()
-    await loader.run(path=Path("my_file.pdf"))
+    await loader.run(filepath=Path("my_file.pdf"))
 
 To implement your own loader, use the `DataLoader` interface: