typo fixes

egs/must_c/ST/local/compute_fbank_must_c.py

@@ -64,7 +64,9 @@ def get_args():
         "--perturb-speed",
         type=str2bool,
         default=False,
-        help="""Perturb speed with factor 0.9 and 1.1 on train subset.""",
+        help="""True to enable speed perturb with factors 0.9 and 1.1 on
+        the train subset. False (by default) to disable speed perturb.
+        """,
     )
 
     return parser.parse_args()

egs/must_c/ST/local/get_words.py

@@ -30,7 +30,7 @@ def main():
             for w in words:
                 word_set.add(w)
 
-    # Note: reserved* should be keep in sync with ./local/prepare_lang_bpe.py
+    # Note: reserved* should be kept in sync with ./local/prepare_lang_bpe.py
     reserved1 = ["<eps>", "!SIL", "<SPOKEN_NOISE>", "<UNK>"]
     reserved2 = ["#0", "<s>", "</s>"]
 

egs/must_c/ST/prepare.sh

@@ -89,14 +89,14 @@ fi
 if [ $stage -le 2 ] && [ $stop_stage -ge 2 ]; then
   log "Stage 2: Prepare must-c $version manifest for target language $tgt_lang"
   mkdir -p data/manifests/$version
-  if [ ! -e data/manifests/$version/.done ]; then
+  if [ ! -e data/manifests/$version/.${tgt_lang}.manifests.done ]; then
     lhotse prepare must-c \
       -j $nj \
       --tgt-lang $tgt_lang \
       $dl_dir/must-c/$version/ \
       data/manifests/$version/
 
-    touch data/manifests/$version/.done
+    touch data/manifests/$version/.${tgt_lang}.manifests.done
   fi
 fi