diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 02cfaf1b9..b631e2609 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -3551,7 +3551,7 @@ static int ssl_parse_record_header( mbedtls_ssl_context *ssl )
                 return( ssl_handle_possible_reconnect( ssl ) );
             }
             else
-#endif /* MBEDTLS_SSL_DLTS_CLIENT_PORT_REUSE */
+#endif /* MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE */
                 return( MBEDTLS_ERR_SSL_INVALID_RECORD );
         }
 
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index 606fc93d7..322e8aff0 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -40,7 +40,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SHA256_C and/or MBEDLTS_MD_C and/or "
+           "MBEDTLS_SHA256_C and/or MBEDTLS_MD_C and/or "
            "MBEDTLS_PK_PARSE_C and/or MBEDTLS_FS_IO and/or "
            "MBEDTLS_CTR_DRBG_C not defined.\n");
     return( 0 );
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 469ad9f5d..e897c6519 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -40,7 +40,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDLTS_MD_C and/or "
+            "MBEDTLS_MD_C and/or "
             "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index 9d48a18ee..ade36dc83 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -39,7 +39,7 @@
 int main( void )
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDLTS_MD_C and/or "
+            "MBEDTLS_MD_C and/or "
             "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
     return( 0 );
 }