Fix typos in documentation (#21160)

* Fix typos in documentation

* Small fix

* Fix formatting

src/transformers/models/speech_to_text/feature_extraction_speech_to_text.py

@@ -169,7 +169,7 @@ class Speech2TextFeatureExtractor(SequenceFeatureExtractor):
 
                 <Tip>
 
-                For Speech2TextTransoformer models, `attention_mask` should alwys be passed for batched inference, to
+                For Speech2TextTransformer models, `attention_mask` should always be passed for batched inference, to
                 avoid subtle bugs.
 
                 </Tip>

src/transformers/models/whisper/feature_extraction_whisper.py

@@ -249,8 +249,8 @@ class WhisperFeatureExtractor(SequenceFeatureExtractor):
 
                 <Tip>
 
-                For WhisperTransoformer models, `attention_mask` should alwys be passed for batched inference, to avoid
-                subtle bugs.
+                For Whisper models, `attention_mask` should always be passed for batched inference, to avoid subtle
+                bugs.
 
                 </Tip>