Update gan_vocoder.md

docs/source/tts/gan_vocoder.md

@@ -3,7 +3,7 @@ This is a brief introduction of GAN Vocoders, we mainly introduce the losses of
 
 Model  | Generator Loss |Discriminator Loss
 :-------------:| :------------:| :-----
-Parallel Wave GAN| adversial loss <br> Feature Matching  | Multi-Scale Discriminator |
-Mel GAN |adversial loss <br> Multi-resolution STFT loss  | adversial loss|
+Mel GAN | adversial loss <br> Feature Matching  | Multi-Scale Discriminator |
+Parallel Wave GAN |adversial loss <br> Multi-resolution STFT loss  | adversial loss|
 Multi-Band Mel GAN | adversial loss <br> full band Multi-resolution STFT loss <br> sub band Multi-resolution STFT loss |Multi-Scale Discriminator|
 HiFi GAN |adversial loss <br> Feature Matching <br>  Mel-Spectrogram Loss | Multi-Scale Discriminator <br> Multi-Period Discriminator|