Update chroma.adoc (#945)

There is a parameter missing. Would avoid confusion

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/vectordbs/chroma.adoc

@@ -229,7 +229,7 @@ Integrate with OpenAI's embeddings by adding the Spring Boot OpenAI starter to y
 ----
 @Bean
 public VectorStore chromaVectorStore(EmbeddingModel embeddingModel, ChromaApi chromaApi) {
- return new ChromaVectorStore(embeddingModel, chromaApi, "TestCollection");
+ return new ChromaVectorStore(embeddingModel, chromaApi, "TestCollection", false);
 }
 ----