diff --git a/library/x509.c b/library/x509.c
index 52b5b64..6b7899f 100644
--- a/library/x509.c
+++ b/library/x509.c
@@ -116,7 +116,7 @@
 }
 
 /*
- * Parse an algorithm identifier with (optional) paramaters
+ * Parse an algorithm identifier with (optional) parameters
  */
 int mbedtls_x509_get_alg( unsigned char **p, const unsigned char *end,
                   mbedtls_x509_buf *alg, mbedtls_x509_buf *params )