Fix typo
Signed-off-by: Jan Bruckner <jan@janbruckner.de>
diff --git a/include/mbedtls/x509_crt.h b/include/mbedtls/x509_crt.h
index add6b03..6c09b3a 100644
--- a/include/mbedtls/x509_crt.h
+++ b/include/mbedtls/x509_crt.h
@@ -516,7 +516,7 @@
* mbedtls_x509_crt_init().
* \param buf The address of the readable buffer holding the DER encoded
* certificate to use. On success, this buffer must be
- * retained and not be changed for the liftetime of the
+ * retained and not be changed for the lifetime of the
* CRT chain \p chain, that is, until \p chain is destroyed
* through a call to mbedtls_x509_crt_free().
* \param buflen The size in Bytes of \p buf.