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diff --git a/lightrag/api/docs/LightRagWithPostGRESQL.md b/lightrag/api/docs/LightRagWithPostGRESQL.md
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 # Installing and Using PostgreSQL with LightRAG
 
-This guide provides step-by-step instructions on setting up PostgreSQL for use with LightRAG, a tool designed to enhance large language model (LLM) performance using retrieval-augmented generation techniques. 
+This guide provides step-by-step instructions on setting up PostgreSQL for use with LightRAG, a tool designed to enhance large language model (LLM) performance using retrieval-augmented generation techniques.
 
 ## Prerequisites