diff --git a/hydra/machines-for-berlin.scm b/hydra/machines-for-berlin.scm
index c344969..5957a28 100644
--- a/hydra/machines-for-berlin.scm
+++ b/hydra/machines-for-berlin.scm
@@ -1,7 +1,7 @@
 ;; Install this file as /etc/guix/machines.scm on berlin.guix.gnu.org
 (use-modules (ice-9 match) (srfi srfi-1))
 
-;; These are all hosted at the MDC in Berlin Buch.  They are connected to                                                                                                                     
+;; These are all hosted at the MDC in Berlin Buch.  They are connected to
 ;; a dedicated VLAN and can only be accessed from berlin.guix.gnu.org.
 (define hosts
   '(;;; New machines.  We should use DNS for them in the future.
@@ -106,7 +106,6 @@
      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICBZkQ4ZQgMGs/3druNQLsyFWHVhjtmN/sj1fxrPeUqJ"
      192)))
 
-
 (define template-x86_64
   (match-lambda
     ;; Prefer building on the new nodes.
@@ -259,7 +258,7 @@
     (system "armhf-linux")
     (host-key "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBLOVhnS24E+Z1bXLUU4z4gE5+HsFxDxUPA6MbLHmnME root@hydra-slave3")
     (speed 1.0)
-    (parallel-builds 2)))
+    (parallel-builds 2))))
 
 (let* ((x86_64 (map template-x86_64 hosts))
        (fast   (filter-map (match-lambda