diff --git a/TTS/api.py b/TTS/api.py
index 7abc188e74..ab3efd64f0 100644
--- a/TTS/api.py
+++ b/TTS/api.py
@@ -122,8 +122,9 @@ def languages(self):
     def get_models_file_path():
         return Path(__file__).parent / ".models.json"
 
-    def list_models(self):
-        return ModelManager(models_file=TTS.get_models_file_path(), progress_bar=False, verbose=False)
+    @staticmethod
+    def list_models():
+        return ModelManager(models_file=TTS.get_models_file_path(), progress_bar=False, verbose=False).list_models()
 
     def download_model_by_name(self, model_name: str):
         model_path, config_path, model_item = self.manager.download_model(model_name)
diff --git a/TTS/tts/utils/text/phonemizers/espeak_wrapper.py b/TTS/tts/utils/text/phonemizers/espeak_wrapper.py
index 328e52f369..ecd336672a 100644
--- a/TTS/tts/utils/text/phonemizers/espeak_wrapper.py
+++ b/TTS/tts/utils/text/phonemizers/espeak_wrapper.py
@@ -111,7 +111,10 @@ class ESpeak(BasePhonemizer):
 
     def __init__(self, language: str, backend=None, punctuations=Punctuation.default_puncs(), keep_puncs=True):
         if self._ESPEAK_LIB is None:
-            raise Exception(" [!] No espeak backend found. Install espeak-ng or espeak to your system.")
+            raise Exception(
+                " [!] No espeak backend found. Install espeak-ng or espeak to your system. "
+                "See https://github.com/espeak-ng/espeak-ng/blob/master/docs/guide.md#installation"
+            )
         self.backend = self._ESPEAK_LIB
 
         # band-aid for backwards compatibility