diff --git a/port/config/config_liteos_m.h b/port/config/config_liteos_m.h
index c5e7e3998cd77926e8ee83b1f087a0a9933819d2..88ac1bb819443db514a396723ad93fb5c4196909 100755
--- a/port/config/config_liteos_m.h
+++ b/port/config/config_liteos_m.h
@@ -1370,7 +1370,7 @@
  * Enable an implementation of SHA-256 that has lower ROM footprint but also
  * lower performance.
  *
- * The default implementation is meant to be a reasonnable compromise between
+ * The default implementation is meant to be a reasonable compromise between
  * performance and size. This version optimizes more aggressively for size at
  * the expense of performance. Eg on Cortex-M4 it reduces the size of
  * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about