Fix system-wide prompt
diff --git a/linux/files/prompt.sh b/linux/files/prompt.sh
index aee9780..0663bfd 100644
--- a/linux/files/prompt.sh
+++ b/linux/files/prompt.sh
@@ -7,7 +7,7 @@
 [[ $- == *i* ]] || return 0
 
 {%- for user, prompt in system.prompt.iteritems() %}
-{% if user != default %}
+{% if user != "default" %}
 if [ "$USERNAME" == "{{ user }}" ]; then
   export PS1="{{ prompt }} "
   return 0
diff --git a/linux/system/prompt.sls b/linux/system/prompt.sls
index a3916bb..b191d14 100644
--- a/linux/system/prompt.sls
+++ b/linux/system/prompt.sls
@@ -9,16 +9,16 @@
 /etc/bash.bashrc:
   file.replace:
     - pattern: ".*PS1=.*"
-    - repl: "# Prompt is set by /etc/profile.d/prompt.sh"
+    - repl: ": # Prompt is set by /etc/profile.d/prompt.sh"
 
 /etc/skel/.bashrc:
   file.replace:
     - pattern: ".*PS1=.*"
-    - repl: "# Prompt is set by /etc/profile.d/prompt.sh"
+    - repl: ": # Prompt is set by /etc/profile.d/prompt.sh"
 
 /root/.bashrc:
   file.replace:
     - pattern: ".*PS1=.*"
-    - repl: "# Prompt is set by /etc/profile.d/prompt.sh"
+    - repl: ": # Prompt is set by /etc/profile.d/prompt.sh"
 
 {%- endif %}