Rename in cmake help strings
diff --git a/include/CMakeLists.txt b/include/CMakeLists.txt
index 8468871..17a098c 100644
--- a/include/CMakeLists.txt
+++ b/include/CMakeLists.txt
@@ -1,4 +1,4 @@
-option(INSTALL_POLARSSL_HEADERS "Install PolarSSL headers." ON)
+option(INSTALL_POLARSSL_HEADERS "Install mbed TLS headers." ON)
 
 if(INSTALL_POLARSSL_HEADERS)