diff --git a/.cargo/config b/.cargo/config
index 78ede9d..d5176c3 100644
--- a/.cargo/config
+++ b/.cargo/config
@@ -32,7 +32,7 @@ runner = 'arm-none-eabi-gdb -x debug.gdb'
 
 [build]
 # Pick one of these compilation targets
-# target = "thumbv6m-none-eabi"
-# target = "thumbv7m-none-eabi"
-# target = "thumbv7em-none-eabi"
-# target = "thumbv7em-none-eabihf"
\ No newline at end of file
+# target = "thumbv6m-none-eabi"    # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"    # Cortex-M3
+# target = "thumbv7em-none-eabi"   # Cortex-M4 and Cortex-M7 (no FPU)
+# target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
\ No newline at end of file