diff --git a/src/openai-vectors.js b/src/openai-vectors.js
index 6ac486415..60cf9a602 100644
--- a/src/openai-vectors.js
+++ b/src/openai-vectors.js
@@ -23,7 +23,7 @@ const SOURCES = {
  * Gets the vector for the given text batch from an OpenAI compatible endpoint.
  * @param {string[]} texts - The array of texts to get the vector for
  * @param {string} source - The source of the vector
- * @param model
+ * @param {string} model - The model to use for the embedding
  * @returns {Promise<number[][]>} - The array of vectors for the texts
  */
 async function getOpenAIBatchVector(texts, source, model = '') {