fix comment typo

Co-authored-by: Georgi Gerganov <[email protected]>

Author: iamlemec

llama.h

@@ -759,7 +759,7 @@ extern "C" {
     // n_threads_batch is the number of threads used for prompt and batch processing (multiple tokens)
     LLAMA_API void llama_set_n_threads(struct llama_context * ctx, uint32_t n_threads, uint32_t n_threads_batch);
 
-    // Set whether the model is in embeddings model or not
+    // Set whether the model is in embeddings mode or not
     // If true, embeddings will be returned but logits will not
     LLAMA_API void llama_set_embeddings(struct llama_context * ctx, bool embeddings);