diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index dd3c787..bc3e678 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -171,7 +171,7 @@
 }
 
 /**
- * \brief Translate a mbed TLS error code into a string representation,
+ * \brief Translate a Mbed TLS error code into a string representation,
  *        Result is truncated if necessary and always includes a terminating
  *        null byte.
  *