diff --git a/bsp/avr32/at32uc3b0256/README.md b/bsp/avr32/at32uc3b0256/README.md
index eda86252d1..9a6d5e2f74 100644
--- a/bsp/avr32/at32uc3b0256/README.md
+++ b/bsp/avr32/at32uc3b0256/README.md
@@ -65,9 +65,9 @@ scons
 ### Step 3: flash
 
 If everything went well, scons should have generated an elf file:
-rtthread-uc3b0256.elf. Let us program the file. The program `atprogram'
+rtthread-uc3b0256.elf. Let us program the file. The program 'atprogram'
 comes with Microchip Studio. I didn't have to do much here. Just make sure
-`atprogram.exe' is in your PATH.
+'atprogram.exe' is in your PATH.
 
 ```bash
 atprogram -t atmelice -i jtag -d at32uc3b0256 program -f rtthread-uc3b0256.elf