diff --git a/kernel/src/process/posix_thread/mod.rs b/kernel/src/process/posix_thread/mod.rs
index 96d9a13db..b691bb186 100644
--- a/kernel/src/process/posix_thread/mod.rs
+++ b/kernel/src/process/posix_thread/mod.rs
@@ -126,7 +126,7 @@ impl PosixThread {
 
     /// Returns whether the signal is blocked by the thread.
     pub(in crate::process) fn has_signal_blocked(&self, signum: SigNum) -> bool {
-        // FIMXE: Some signals cannot be blocked, even set in sig_mask.
+        // FIXME: Some signals cannot be blocked, even set in sig_mask.
         self.sig_mask.contains(signum, Ordering::Relaxed)
     }