Update README.md

README.md

@@ -6,7 +6,7 @@ The fider loss value now is zero by default, the tuner bard shows mismatch loss
 To install your actual fider loss, power on the board with pushed TUNE button, use BYP and AUTO buttons to set needed value.
 The value will be saved automatically in the long-term memory (0x34 cell for extended board or 0x31 cell for mini boards).
 
-Some errors was fixed.
+Some errors were fixed.
 
 Overload indication is fixed. It works when the input power exceeds the board possibility to meassure correct power.