Update .env.example

Author: wtfsayo

.env.example

@@ -91,7 +91,7 @@ MEDIUM_OPENAI_MODEL=    # Default: gpt-4o
 LARGE_OPENAI_MODEL=     # Default: gpt-4o
 EMBEDDING_OPENAI_MODEL= # Default: text-embedding-3-small
 IMAGE_OPENAI_MODEL=     # Default: dall-e-3
-USE_OPENAI_EMBEDDING=   # Set to TRUE for OpenAI/1536, leave blank for local
+USE_OPENAI_EMBEDDING=TRUE   # Set to TRUE for OpenAI/1536, leave blank for local
 
 # Atoma SDK Configuration
 ATOMASDK_BEARER_AUTH=           # Atoma SDK Bearer Auth token