typos in seq2seq/readme (#5937)

examples/seq2seq/README.md

@@ -14,7 +14,7 @@ wget https://s3.amazonaws.com/datasets.huggingface.co/summarization/xsum.tar.gz
 tar -xzvf xsum.tar.gz
 export XSUM_DIR=${PWD}/xsum
 ```
-this should make a directory called cnn_dm/ with files like `test.source`.
+this should make a directory called `xsum/` with files like `test.source`.
 To use your own data, copy that files format. Each article to be summarized is on its own line.
 
 CNN/DailyMail data
@@ -22,8 +22,8 @@ CNN/DailyMail data
 cd examples/seq2seq
 wget https://s3.amazonaws.com/datasets.huggingface.co/summarization/cnn_dm.tgz
 tar -xzvf cnn_dm.tgz
-
 export CNN_DIR=${PWD}/cnn_dm
+this should make a directory called `cnn_dm/` with files like `test.source`.
 ```
 
 WMT16 English-Romanian Translation Data:
@@ -32,6 +32,7 @@ cd examples/seq2seq
 wget https://s3.amazonaws.com/datasets.huggingface.co/translation/wmt_en_ro.tar.gz
 tar -xzvf wmt_en_ro.tar.gz
 export ENRO_DIR=${PWD}/wmt_en_ro
+this should make a directory called `wmt_en_ro/` with files like `test.source`.
 ```
 
 If you are using your own data, it must be formatted as one directory with 6 files: train.source, train.target, val.source, val.target, test.source, test.target.