Fix broken URLs

Summary: Fix some broken URLs in fastText documentation

Reviewed By: ajoulin

Differential Revision: D14785955

fbshipit-source-id: 34f5c6ffc852471887d99cfa9a9f22f5afca0a1d

alignment/README.md

@@ -22,7 +22,7 @@ In addition to NumPy, the unsupervised method requires the [Python Optimal Trans
 
 ### Download
 
-Wikipedia fastText embeddings aligned with our method can be found [here](https://fasttext.cc/doc/en/aligned_vectors.html).
+Wikipedia fastText embeddings aligned with our method can be found [here](https://fasttext.cc/docs/en/aligned-vectors.html).
 
 ### References
 

alignment/example.sh

@@ -21,13 +21,13 @@ fi
 dico_train=data/${s}-${t}.0-5000.txt
 if [ ! -f "${dico_train}" ]; then
   DICO=$(basename -- "${dico_train}")
-  wget -c "https://s3.amazonaws.com/arrival/dictionaries/${DICO}" -P data/
+  wget -c "https://dl.fbaipublicfiles.com/arrival/dictionaries/${DICO}" -P data/
 fi
 
 dico_test=data/${s}-${t}.5000-6500.txt
 if [ ! -f "${dico_test}" ]; then
   DICO=$(basename -- "${dico_test}")
-  wget -c "https://s3.amazonaws.com/arrival/dictionaries/${DICO}" -P data/
+  wget -c "https://dl.fbaipublicfiles.com/arrival/dictionaries/${DICO}" -P data/
 fi
 
 src_emb=data/wiki.${s}.vec