diff --git a/components/openssl/OpenSSL-APIs.rst b/components/openssl/OpenSSL-APIs.rst
index 39fa0ebb9b..93e438dcf9 100644
--- a/components/openssl/OpenSSL-APIs.rst
+++ b/components/openssl/OpenSSL-APIs.rst
@@ -2,7 +2,7 @@ OpenSSL-APIs
 ------------
 
 This directory does not contain OpenSSL itself, but the code here can be used as a wrapper for applications using the OpenSSL API. 
-It uses mbedSSL to do the actual work, so anyone compiling openssl code needs the mbedtls library and header file.
+It uses mbedTLS to do the actual work, so anyone compiling openssl code needs the mbedtls library and header file.
 
 OpenSSL APIs not mentioned in this article are not open to public for the time,
 also do not have the corresponding function.