Update 2020-10-26-pytorch-1.7-released.md

Author: wookim3

_posts/2020-10-26-pytorch-1.7-released.md

@@ -146,7 +146,7 @@ To use this feature across multiple machines, please provide a file from a share
 dist.init_process_group(
     "gloo",
     # multi-machien example:
-    # init_method = "file:///{machine}/{share_folder}/file"
+    # init_method = "file://////{machine}/{share_folder}/file"
     init_method="file:///{your local file path}",
     rank=rank,
     world_size=world_size