diff --git a/doc/ppp.txt b/doc/ppp.txt
index 5a0cc9af..08aedd46 100644
--- a/doc/ppp.txt
+++ b/doc/ppp.txt
@@ -159,7 +159,7 @@ static void status_cb(ppp_pcb *pcb, int err_code, void *ctx) {
    * Try to reconnect in 30 seconds, if you need a modem chatscript you have
    * to do a much better signaling here ;-)
    */
-  ppp_open(pcb, 30);
+  ppp_connect(pcb, 30);
 }
 
 
@@ -257,7 +257,7 @@ ppp_set_default(ppp);
  * if PPP session is in the dead state (i.e. disconnected).
  */
 u16_t holdoff = 0;
-ppp_open(ppp, holdoff);
+ppp_connect(ppp, holdoff);
 
 
 /*
@@ -334,7 +334,7 @@ from previous lwIP version is pretty easy:
   for PPP interface in pppoX_create() functions
 
 * PPP session are not started automatically after you created them anymore,
-  you have to call ppp_open(), this way you can configure the session before
+  you have to call ppp_connect(), this way you can configure the session before
   starting it.
 
 * Previous PPP API used CamelCase, we are now using snake_case.
diff --git a/src/api/pppapi.c b/src/api/pppapi.c
index a11145b1..5b7940d1 100644
--- a/src/api/pppapi.c
+++ b/src/api/pppapi.c
@@ -236,26 +236,26 @@ pppapi_pppol2tp_create(struct netif *pppif, struct netif *netif, ip_addr_t *ipad
 
 
 /**
- * Call ppp_open() inside the tcpip_thread context.
+ * Call ppp_connect() inside the tcpip_thread context.
  */
 static void
-pppapi_do_ppp_open(struct pppapi_msg_msg *msg)
+pppapi_do_ppp_connect(struct pppapi_msg_msg *msg)
 {
-  msg->err = ppp_open(msg->ppp, msg->msg.open.holdoff);
+  msg->err = ppp_connect(msg->ppp, msg->msg.connect.holdoff);
   TCPIP_PPPAPI_ACK(msg);
 }
 
 /**
- * Call ppp_open() in a thread-safe way by running that function inside the
+ * Call ppp_connect() in a thread-safe way by running that function inside the
  * tcpip_thread context.
  */
 err_t
-pppapi_open(ppp_pcb *pcb, u16_t holdoff)
+pppapi_connect(ppp_pcb *pcb, u16_t holdoff)
 {
   struct pppapi_msg msg;
-  msg.function = pppapi_do_ppp_open;
+  msg.function = pppapi_do_ppp_connect;
   msg.msg.ppp = pcb;
-  msg.msg.msg.open.holdoff = holdoff;
+  msg.msg.msg.connect.holdoff = holdoff;
   TCPIP_PPPAPI(&msg);
   return msg.msg.err;
 }
diff --git a/src/include/lwip/pppapi.h b/src/include/lwip/pppapi.h
index 65ff6c63..270c5fc7 100644
--- a/src/include/lwip/pppapi.h
+++ b/src/include/lwip/pppapi.h
@@ -91,7 +91,7 @@ struct pppapi_msg_msg {
 #endif /* PPPOL2TP_SUPPORT */
     struct {
       u16_t holdoff;
-    } open;
+    } connect;
 #if PPP_SERVER
     struct {
       struct ppp_addrs *addrs;
@@ -131,7 +131,7 @@ ppp_pcb *pppapi_pppol2tp_create(struct netif *pppif, struct netif *netif, ip_add
                             u8_t *secret, u8_t secret_len,
                             ppp_link_status_cb_fn link_status_cb, void *ctx_cb);
 #endif /* PPPOL2TP_SUPPORT */
-err_t pppapi_open(ppp_pcb *pcb, u16_t holdoff);
+err_t pppapi_connect(ppp_pcb *pcb, u16_t holdoff);
 #if PPP_SERVER
 err_t pppapi_listen(ppp_pcb *pcb, struct ppp_addrs *addrs);
 #endif /* PPP_SERVER */
diff --git a/src/include/netif/ppp/ppp.h b/src/include/netif/ppp/ppp.h
index 212c4c59..7232bedd 100644
--- a/src/include/netif/ppp/ppp.h
+++ b/src/include/netif/ppp/ppp.h
@@ -451,7 +451,7 @@ void ppp_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_p
 #endif /* PPP_NOTIFY_PHASE */
 
 /*
- * Open a PPP connection.
+ * Initiate a PPP connection.
  *
  * This can only be called if PPP is in the dead phase.
  *
@@ -461,7 +461,7 @@ void ppp_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_p
  * If this port connects to a modem, the modem connection must be
  * established before calling this.
  */
-err_t ppp_open(ppp_pcb *pcb, u16_t holdoff);
+err_t ppp_connect(ppp_pcb *pcb, u16_t holdoff);
 
 #if PPP_SERVER
 /*
diff --git a/src/netif/ppp/ppp.c b/src/netif/ppp/ppp.c
index b863ec7a..837b9eb1 100644
--- a/src/netif/ppp/ppp.c
+++ b/src/netif/ppp/ppp.c
@@ -178,7 +178,7 @@ const struct protent* const protocols[] = {
 };
 
 /* Prototypes for procedures local to this file. */
-static void ppp_do_open(void *arg);
+static void ppp_do_connect(void *arg);
 static err_t ppp_netif_init_cb(struct netif *netif);
 static err_t ppp_netif_output_ip4(struct netif *netif, struct pbuf *pb, const ip_addr_t *ipaddr);
 #if PPP_IPV6_SUPPORT
@@ -221,7 +221,7 @@ void ppp_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_p
 #endif /* PPP_NOTIFY_PHASE */
 
 /*
- * Open a PPP connection.
+ * Initiate a PPP connection.
  *
  * This can only be called if PPP is in the dead phase.
  *
@@ -231,19 +231,19 @@ void ppp_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_p
  * If this port connects to a modem, the modem connection must be
  * established before calling this.
  */
-err_t ppp_open(ppp_pcb *pcb, u16_t holdoff) {
+err_t ppp_connect(ppp_pcb *pcb, u16_t holdoff) {
   if (pcb->phase != PPP_PHASE_DEAD) {
     return ERR_ALREADY;
   }
 
-  PPPDEBUG(LOG_DEBUG, ("ppp_open() called, holdoff=%d\n", holdoff));
+  PPPDEBUG(LOG_DEBUG, ("ppp_connect() called, holdoff=%d\n", holdoff));
 
   if (holdoff == 0) {
     return pcb->link_cb->connect(pcb, pcb->link_ctx_cb);
   }
 
   new_phase(pcb, PPP_PHASE_HOLDOFF);
-  sys_timeout((u32_t)(holdoff*1000), ppp_do_open, pcb);
+  sys_timeout((u32_t)(holdoff*1000), ppp_do_connect, pcb);
   return ERR_OK;
 }
 
@@ -291,7 +291,7 @@ ppp_close(ppp_pcb *pcb, u8_t nocarrier)
 
   /* holdoff phase, cancel the reconnection */
   if (pcb->phase == PPP_PHASE_HOLDOFF) {
-    sys_untimeout(ppp_do_open, pcb);
+    sys_untimeout(ppp_do_connect, pcb);
     new_phase(pcb, PPP_PHASE_DEAD);
   }
 
@@ -395,7 +395,7 @@ fail:
 /*** LOCAL FUNCTION DEFINITIONS ***/
 /**********************************/
 
-static void ppp_do_open(void *arg) {
+static void ppp_do_connect(void *arg) {
   ppp_pcb *pcb = (ppp_pcb*)arg;
 
   LWIP_ASSERT("pcb->phase == PPP_PHASE_DEAD || pcb->phase == PPP_PHASE_HOLDOFF", pcb->phase == PPP_PHASE_DEAD || pcb->phase == PPP_PHASE_HOLDOFF);