Update README.md

Author: kyegomez

Diff for: README.md

@@ -45,7 +45,7 @@ MedInsight Pro requires access to the OpenAI API, PubMed, and Semantic Scholar A
 OPENAI_API_KEY="your-openai-api-key"
 PUBMED_API_KEY="your-pubmed-api-key"  # Optional, but increases rate limits
 SEMANTIC_SCHOLAR_API_KEY="your-semantic-scholar-api-key"
-WORKSPACE_ID="your-workspace-id" # Your workspace ID 
+WORKSPACE_DIR="your-workspace-id" # Your workspace ID 
 ENTREZ_EMAIL="[email protected]"
 ```