diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 6bb745d..635981d 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -4810,7 +4810,7 @@
 
         /* 4. If k > N - 2, discard the result and return to step 1.
         *    Result of comparison is returned. When it indicates error
-        *    then this fuction is called again.
+        *    then this function is called again.
         */
         MBEDTLS_MPI_CHK( mbedtls_mpi_lt_mpi_ct( &diff_N_2, &k, &key_out_of_range ) );
     }