diff --git a/examples/cvector-generator/cvector-generator.cpp b/examples/cvector-generator/cvector-generator.cpp
index 08945a23bea7e..8653bb6305281 100644
--- a/examples/cvector-generator/cvector-generator.cpp
+++ b/examples/cvector-generator/cvector-generator.cpp
@@ -377,7 +377,7 @@ static int prepare_entries(gpt_params & params, train_context & ctx_train) {
     // create templated prompts
     std::vector<std::string> completions = ctrlvec_load_prompt_file(params.cvector_completions_file, false);
     auto format_template = [](std::string persona, std::string suffix) {
-        // entry in positive/negative.txt must already be formatted i.e. "[INST] Act as if you're extremely happy. [/INST]"
+        // entry in positive/negative.txt must already be formatted i.e. "[INST] Act as if you're extremely happy. [/INST] "
         return persona + suffix;
     };
     for (size_t i = 0; i < positive_prompts.size(); ++i) {