Fixed typo in ssl.h
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 42c9779..495e02c 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -2436,7 +2436,7 @@
* \param len how many bytes must be written
*
* \return the number of bytes actually written (may be less than len),
- * or MBEDTLS_ERR_SSL_WANT_WRITE of MBEDTLS_ERR_SSL_WANT_READ,
+ * or MBEDTLS_ERR_SSL_WANT_WRITE or MBEDTLS_ERR_SSL_WANT_READ,
* or another negative error code.
*
* \note If this function returns something other than a positive