diff --git a/README.md b/README.md
index 0ca44f7..3db710d 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@
 ```yaml
 
 - name: Configure aether compute nodes
-  hosts: aethercomputeusrp
+  hosts: aetherusrp
   become: true
   roles:
     - usrp
diff --git a/tasks/Debian.yml b/tasks/Debian.yml
index a4368df..3319166 100644
--- a/tasks/Debian.yml
+++ b/tasks/Debian.yml
@@ -16,7 +16,7 @@
 
 - name: Add ettusresearch apt repo
   apt_repository:
-    repo: 'ppa:ettusresearch/uhd'
+    repo: "ppa:ettusresearch/uhd"
     mode: 0644
     update_cache: true
 
@@ -46,12 +46,12 @@
     update_cache: true
 
 - name: Update grub
-  replace:
+  lineinfile:
     path: /etc/default/grub
-    regexp: '(^GRUB_CMDLINE_LINUX_DEFAULT=)(.*)$'
-    replace: |
-      '\1"quiet intel_pstate=disable processor.max_cstate=1 intel_idle.max_cstate=0 idle=poll"'
-    backup: true
+    regexp: "^GRUB_CMDLINE_LINUX_DEFAULT=.*"
+    line: >
+      GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable
+      processor.max_cstate=1 intel_idle.max_cstate=0 idle=poll"
   notify:
     - update-grub2
 
@@ -75,7 +75,7 @@
     state: touch
     owner: root
     group: root
-    mode: '0644'
+    mode: "0644"
 
 - name: Set cpufrequtils
   blockinfile: