doc: Update output of `rustc --version`

diff --git a/src/doc/guide.md b/src/doc/guide.md
index 871ceb21f6a59c7829e782f8833220a121593c11..912d654582562f82adaaba9ea84a8bca023147e2 100644 (file)
--- a/src/doc/guide.md
+++ b/src/doc/guide.md
@@ -85,7 +85,7 @@ $ rustc --version
 You should see some output that looks something like this:
 
 ```{ignore}
-rustc 0.12.0-pre (443a1cd 2014-06-08 14:56:52 -0700)
+rustc 0.12.0-nightly (b7aa03a3c 2014-09-28 11:38:01 +0000)
 ```
 
 If you did, Rust has been installed successfully! Congrats!