1 files changed, 13 insertions, 13 deletions
diff --git a/src/device.rs b/src/device.rs
index 63a5654..326df5d 100644
--- a/src/device.rs
+++ b/src/device.rs
@@ -41,7 +41,7 @@ enum Model {
 ///         user.device()
 ///     },
 ///     Err((device, err)) => {
-///         println!("Could not authenticate as user: {:?}", err);
+///         println!("Could not authenticate as user: {}", err);
 ///         device
 ///     },
 /// };
@@ -86,7 +86,7 @@ pub enum DeviceWrapper {
 ///         user.device()
 ///     },
 ///     Err((device, err)) => {
-///         println!("Could not authenticate as user: {:?}", err);
+///         println!("Could not authenticate as user: {}", err);
 ///         device
 ///     },
 /// };
@@ -128,7 +128,7 @@ pub struct Pro {}
 ///         user.device()
 ///     },
 ///     Err((device, err)) => {
-///         println!("Could not authenticate as user: {:?}", err);
+///         println!("Could not authenticate as user: {}", err);
 ///         device
 ///     },
 /// };
@@ -161,8 +161,8 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
     /// # fn try_main() -> Result<(), CommandError> {
     /// let device = nitrokey::connect()?;
     /// match device.get_serial_number() {
-    ///     Ok(number) => println!("serial no: {:?}", number),
-    ///     Err(err) => println!("Could not get serial number: {:?}", err),
+    ///     Ok(number) => println!("serial no: {}", number),
+    ///     Err(err) => println!("Could not get serial number: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -302,7 +302,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
     /// let device = nitrokey::connect()?;
     /// match device.change_admin_pin("12345678", "12345679") {
     ///     Ok(()) => println!("Updated admin PIN."),
-    ///     Err(err) => println!("Failed to update admin PIN: {:?}", err),
+    ///     Err(err) => println!("Failed to update admin PIN: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -338,7 +338,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
     /// let device = nitrokey::connect()?;
     /// match device.change_user_pin("123456", "123457") {
     ///     Ok(()) => println!("Updated admin PIN."),
-    ///     Err(err) => println!("Failed to update admin PIN: {:?}", err),
+    ///     Err(err) => println!("Failed to update admin PIN: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -374,7 +374,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
     /// let device = nitrokey::connect()?;
     /// match device.unlock_user_pin("12345678", "123456") {
     ///     Ok(()) => println!("Unlocked user PIN."),
-    ///     Err(err) => println!("Failed to unlock user PIN: {:?}", err),
+    ///     Err(err) => println!("Failed to unlock user PIN: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -408,7 +408,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
     /// let device = nitrokey::connect()?;
     /// match device.lock() {
     ///     Ok(()) => println!("Locked the Nitrokey device."),
-    ///     Err(err) => println!("Could not lock the Nitrokey device: {:?}", err),
+    ///     Err(err) => println!("Could not lock the Nitrokey device: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -430,7 +430,7 @@ pub trait Device: Authenticate + GetPasswordSafe + GenerateOtp {
 ///
 /// match nitrokey::connect() {
 ///     Ok(device) => do_something(device),
-///     Err(err) => println!("Could not connect to a Nitrokey: {:?}", err),
+///     Err(err) => println!("Could not connect to a Nitrokey: {}", err),
 /// }
 /// ```
 pub fn connect() -> Result<DeviceWrapper, CommandError> {
@@ -537,7 +537,7 @@ impl Storage {
     /// let device = nitrokey::Storage::connect()?;
     /// match device.enable_encrypted_volume("123456") {
     ///     Ok(()) => println!("Enabled the encrypted volume."),
-    ///     Err(err) => println!("Could not enable the encrypted volume: {:?}", err),
+    ///     Err(err) => println!("Could not enable the encrypted volume: {}", err),
     /// };
     /// #     Ok(())
     /// # }
@@ -571,11 +571,11 @@ impl Storage {
     ///         match device.disable_encrypted_volume() {
     ///             Ok(()) => println!("Disabled the encrypted volume."),
     ///             Err(err) => {
-    ///                 println!("Could not disable the encrypted volume: {:?}", err);
+    ///                 println!("Could not disable the encrypted volume: {}", err);
     ///             },
     ///         };
     ///     },
-    ///     Err(err) => println!("Could not enable the encrypted volume: {:?}", err),
+    ///     Err(err) => println!("Could not enable the encrypted volume: {}", err),
     /// };
     /// #     Ok(())
     /// # }