diff --git a/src/arch/aarch64/regs.rs b/src/arch/aarch64/regs.rs
index 05d2052ba8c5aab5bd4c97cc8fae66548575dac0..7128a41643d7b6ee493531452fde3981b2118f8a 100644
--- a/src/arch/aarch64/regs.rs
+++ b/src/arch/aarch64/regs.rs
@@ -41,7 +41,7 @@ macro_rules! mrs {
         {
             let r;
             unsafe {
-                // TODO: If use 'nomem' option, the system will staff may beacuse of no assign type here
+                // TODO: If use 'nomem' option, the system will staff may because of no assign type here
                 core::arch::asm!(concat!("mrs {0}, ", stringify!($reg)), out(reg) r, options(pure,readonly, nostack));
             }
             r
diff --git a/src/device/device_tree.rs b/src/device/device_tree.rs
index 28857badbf2c6fe92a28deb3b79cc95c603145bd..f9e255cd7f7a42992bae22b1f6f1e537c9e65060 100644
--- a/src/device/device_tree.rs
+++ b/src/device/device_tree.rs
@@ -133,7 +133,7 @@ pub unsafe fn init_vm0_dtb(dtb: *mut fdt::myctypes::c_void) -> Result<()> {
         use crate::arch::PAGE_SIZE;
         let pi_fdt = PI4_DTB_ADDR as *mut fdt::myctypes::c_void;
         let len = round_up(fdt_size(pi_fdt) as usize, PAGE_SIZE) + PAGE_SIZE;
-        info!("fdt orignal size {}", len);
+        info!("fdt original size {}", len);
         let slice = core::slice::from_raw_parts(pi_fdt as *const u8, len as usize);
         SYSTEM_FDT.call_once(|| slice.to_vec());
     }
diff --git a/src/utils/unilib.rs b/src/utils/unilib.rs
index d05d3183ab44f2917120cec54f9ff2e1d26b6934..0e655b9b3a901936161cf8f554b1d1ca179c2b97 100644
--- a/src/utils/unilib.rs
+++ b/src/utils/unilib.rs
@@ -34,13 +34,13 @@ pub struct UnilibFSCfg {
     name: [u8; 32],
     /// The "client" VM who owns this `UnilibFSCfg`, currently it should be our Unishyper.
     vmid: usize,
-    /// Size of FS opration buffer, it's provided by the MVM with HUGE_TLB enabled.
+    /// Size of FS operation buffer, it's provided by the MVM with HUGE_TLB enabled.
     cache_size: usize,
-    /// Virtual address of FS opration buffer, it's provided by the MVM with HUGE_TLB enabled.
+    /// Virtual address of FS operation buffer, it's provided by the MVM with HUGE_TLB enabled.
     buf_va: usize,
-    /// Intermediate physical address of FS opration buffer, it's provided by the MVM with HUGE_TLB enabled.
+    /// Intermediate physical address of FS operation buffer, it's provided by the MVM with HUGE_TLB enabled.
     buf_ipa: usize,
-    /// Acutal physical address of FS opration buffer, it's set by the hypervisor during `unilib_fs_append` process.
+    /// Acutal physical address of FS operation buffer, it's set by the hypervisor during `unilib_fs_append` process.
     buf_pa: usize,
 }