diff --git a/src/main.rs b/src/main.rs
index 0276ae3..92164f2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,11 +15,16 @@ unsafe extern "C" fn _enter() -> ! {
     use core::arch::asm;
     asm!(
         // before we use the `la` pseudo-instruction for the first time,
-        //  we need to set `gp` (google linker relaxation)
-        ".option push",
-        ".option norelax",
+        // we need to set `gp` (google linker relaxation)
+        ".option push", // pushes the current option stack
+        ".option norelax", // disable relaxation so we can properly set `gp`
+        // this instruction compiles to:
+        //   1:
+        //     auipc gp, %pcrel_hi(_global_pointer)
+        //     addi  gp, gp, %pcrel_lo(1b)
+        // if relaxation were on, this would simply be `mv gp, gp` or `addi gp, gp, 0`
         "la gp, _global_pointer",
-        ".option pop",
+        ".option pop", // pops the current option stack
 
         // set the stack pointer
         "la sp, _init_stack_top",