diff --git a/book/07-git-tools/sections/credentials.asc b/book/07-git-tools/sections/credentials.asc
index f82418148..4628bf8aa 100644
--- a/book/07-git-tools/sections/credentials.asc
+++ b/book/07-git-tools/sections/credentials.asc
@@ -36,7 +36,7 @@ Here's an example of how you'd configure the ``store'' helper with a custom file
 
 [source,console]
 ----
-$ git config --global credential.helper store --file ~/.my-credentials
+$ git config --global credential.helper 'store --file ~/.my-credentials'
 ----
 
 Git even allows you to configure several helpers.
@@ -193,7 +193,7 @@ Since its name starts with ``git-'', we can use the simple syntax for the config
 
 [source,console]
 ----
-$ git config --global credential.helper read-only --file /mnt/shared/creds
+$ git config --global credential.helper 'read-only --file /mnt/shared/creds'
 ----
 
 As you can see, extending this system is pretty straightforward, and can solve some common problems for you and your team.