diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index 4813592..b25d497 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -1394,7 +1394,7 @@
 }
 
 //usage:#define i2ctransfer_trivial_usage
-//usage:       "[-fay] I2CBUS {rLENGTH[@ADDR] | wLENGTH[@ADDR] DATA...}..."
+//usage:       "[-fay] I2CBUS { rLENGTH[@ADDR] | wLENGTH[@ADDR] DATA...}..."
 //usage:#define i2ctransfer_full_usage "\n\n"
 //usage:       "Read/write I2C data in one transfer"
 //usage:     "\n"