Update src/cpp/src/module_genai/modules/md_text_to_speech/md_text_to_speech.hpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: xipingyan

src/cpp/src/module_genai/modules/md_text_to_speech/md_text_to_speech.hpp

@@ -47,7 +47,7 @@ class TextToSpeechModule : public IBaseModule {
                                const std::vector<int64_t>* history,
                                const std::vector<int64_t>* suppress_tokens,
                                std::mt19937& rng);
-    //    sample_codec_token's special case when temperature=0 or top_k=1 or top_p=0, which means greedy decoding.
+    // Greedy decoding variant of sample_codec_token used when m_sample_codec_token_greedy_search is enabled.
     int64_t sample_codec_token_greedy(const float* logits, size_t vocab_size);
 
     ov::Tensor make_decode_mask(size_t past_len, size_t batch);