diff --git a/src/config.rs b/src/config.rs
index 1042551..dc39d58 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -18,7 +18,7 @@ pub struct Config {
 impl Config {
     pub(crate) fn create() -> WResult<Self> {
         let mut config_parent = Config::get_parent()?;
-        config_parent.push("woly.conf");
+        config_parent.push("wolz.conf");
         let config_file = config_parent;
         if config_file.exists() {
             return Config::read_existing_conf(config_file);
@@ -104,7 +104,7 @@ impl Config {
     }
 
     fn get_parent() -> WResult<PathBuf> {
-        let config_dir_env_var_name = "WOLY_CONFIG_HOME";
+        let config_dir_env_var_name = "WOLZ_CONFIG_HOME";
         let config_dir_name = std::env::var(config_dir_env_var_name);
         if let Ok(config_dir_name) = config_dir_name {
             let path = PathBuf::from(config_dir_name);
@@ -133,7 +133,7 @@ impl Config {
 
         return Err(WError::ConfigDirInitError(format!(
             "Set one of {}, {} or {} environment variable to determine the config directory",
-            "$WOLY_CONFIG_HOME", "$XDG_CONFIG_HOME", "$HOME"
+            "$WOLZ_CONFIG_HOME", "$XDG_CONFIG_HOME", "$HOME"
         )));
     }
 
diff --git a/src/main.rs b/src/main.rs
index 47af333..5ac7edd 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -47,7 +47,7 @@ fn main() -> WResult<()> {
 fn print_usage() -> WResult<()> {
     println!(
         "{}",
-        r#"usage: woly COMMAND ARG
+        r#"usage: wolz COMMAND ARG
 
 Options:
      COMMAND   One of `up`, `down` or `daemon`
@@ -56,15 +56,15 @@ Options:
                `daemon` - Runs a daemon. This needs to be running on
                           the target machine that needs to be shutdown
          ARG   Either the mac address of the device or a nickname
-               specified in woly.conf to lookup the mac. See details
+               specified in wolz.conf to lookup the mac. See details
                about config file below.
-               Eg: woly up aa:bb:cc:dd:ee:ff
-               Eg: woly down potato
+               Eg: wolz up aa:bb:cc:dd:ee:ff
+               Eg: wolz down potato
 
 Config file:
-    Filename   woly.conf
-    Location   $WOLY_CONFIG_DIR/woly.conf, then $XDG_CONFIG_DIR/woly.conf,
-               then $HOME/woly.conf
+    Filename   wolz.conf
+    Location   $WOLZ_CONFIG_DIR/wolz.conf, then $XDG_CONFIG_DIR/wolz.conf,wolz
+               then $HOME/wolz.conf
       Format   KEY=VALUE
                one per line without spaces, no comments allowed
      Example   potato=aa:bb:cc:dd:ee:ff