Fix decode flag

I'm on Ubuntu 14.04 and `-D` is invalid. `-d` gets the required output.
2016-07-17 15:39:54 +03:00 · 2016-07-17 15:39:54 +03:00 · 5e9ef0f593
parent 1d24f26a77
commit 5e9ef0f593
1 changed files with 1 additions and 1 deletions
--- a/docs/user-guide/secrets/index.md
+++ b/docs/user-guide/secrets/index.md
@ -154,7 +154,7 @@ type: Opaque
 Decode the password field:

 ```shell
-$ echo "MWYyZDFlMmU2N2Rm" | base64 -D
+$ echo "MWYyZDFlMmU2N2Rm" | base64 -d
 1f2d1e2e67df
 ```