Update README.md

README.md

@@ -20,7 +20,7 @@ Current features:
 - Display of both an active and a reference trace
 - Live updates of data from the NanoVNA, including for multi-segment sweeps
 - In-application calibration, including compensation for non-ideal calibration standards
-- Customizable display options, including "Dark charts mode" and "Skin mode with 4 Skinned UI or Classic Default UI" 
+- Customizable display options, including "Dark chart mode" and "Skin mode with 4 Skinned UI or Classic Default UI" 
 - Exporting images of plotted values
 
 0.1.2: (Default UI mode)