Fix readme

README.md

@@ -5,7 +5,7 @@ owon scope or the Gwinstek scopes at the lab. Both semi-standard CSV style expor
 This package is just neat enough to combine those together.
 
 Supports pulling the metadata, time encoding and etc from each of the loadable
-types.
+types. All data is normalized to standard SI units (volts and seconds) for consistency.
 
 ## Instalation
 ```bash
@@ -35,15 +35,19 @@ data = parse_owon_data("your_file.CSV") # or parse_gwinstek_data, etc
 channel = data['CH1']
 
 # Get voltage and time arrays
-voltage = channel.voltage_values  # in mV
-time = channel.time_values        # in seconds
+voltage = channel.voltage_values  # in volts (V)
+time = channel.time_values        # in seconds (s)
 
 # Access metadata
 print(f"Frequency: {channel.frequency} Hz")
-print(f"Peak-to-Peak: {channel.vpp} mV")
-print(f"Average: {channel.average} mV")
+print(f"Peak-to-Peak: {channel.vpp} V")
+print(f"Average: {channel.average} V")
 ```
 
+## Example Image
+
+![Example Image](examples/example_usage.png)
+
 ## License
 
 MIT License