Use proper checksum for repo

Change-Id: I7f7c749b5819a1aec7168da4c4c6b98a0551739f
diff --git a/src/source/downloading.md b/src/source/downloading.md
index d76e86c..40e881b 100644
--- a/src/source/downloading.md
+++ b/src/source/downloading.md
@@ -32,11 +32,8 @@
         $ curl https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo
         $ chmod a+x ~/bin/repo
 
- - For version 1.15, the SHA-1 checksum for repo is
- 8eb56d98b36d615c3efec51868e87bebe757feb1
-
  - For version 1.16, the SHA-1 checksum for repo is
- f3bfa7fd2d0a44aa40579bb0242cc20df37b5e17
+ 19ba8290344752da23e00cfb2b26afb43b463fe6
 
 
 ## Initializing a Repo client ##