diff --git a/firmware/tunerstudio/readme.md b/firmware/tunerstudio/readme.md
index ed6123106c..a4a7c3eae9 100644
--- a/firmware/tunerstudio/readme.md
+++ b/firmware/tunerstudio/readme.md
@@ -1,7 +1,7 @@
 # TunerStudio
 
 This directory contains the initialization and configuration files for the
-RusEFI interface to TunerStudio.
+rusEFI interface to TunerStudio.
 
 The primary contents are a set ```rusefi*.ini``` initialization files, used to
 configure TunerStudio to setup and monitor a specific ECU board.  These are
diff --git a/firmware/tunerstudio/rusefi.input b/firmware/tunerstudio/rusefi.input
index 30993b7956..b773e661be 100644
--- a/firmware/tunerstudio/rusefi.input
+++ b/firmware/tunerstudio/rusefi.input
@@ -1,4 +1,4 @@
-; This is a TunerStudio project for the RusEFI.com engine management system
+; This is a TunerStudio project for the rusEFI.com engine management system
 ;
 ; This file has been generated by invoking gen_config.bat.
 ; The input files are