diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 0abeb430e49f64e6df682bfadabdd60a8fcd6ff4..5430f0ba15dc4702a293593fcc025c007d2cd827 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -3244,7 +3244,7 @@ void mbedtls_ssl_free( mbedtls_ssl_context *ssl );
 void mbedtls_ssl_config_init( mbedtls_ssl_config *conf );
 
 /**
- * \brief          Load reasonnable default SSL configuration values.
+ * \brief          Load reasonable default SSL configuration values.
  *                 (You need to call mbedtls_ssl_config_init() first.)
  *
  * \param conf     SSL configuration context