diff --git a/core/net/ip/uip.h b/core/net/ip/uip.h
index 4685f3d8f..f4a433577 100644
--- a/core/net/ip/uip.h
+++ b/core/net/ip/uip.h
@@ -350,7 +350,7 @@ void uip_setipid(uint16_t id);
  * Periodic processing for a connection identified by its number.
  *
  * This function does the necessary periodic processing (timers,
- * polling) for a uIP TCP conneciton, and should be called when the
+ * polling) for a uIP TCP connection, and should be called when the
  * periodic uIP timer goes off. It should be called for every
  * connection, regardless of whether they are open of closed.
  *
diff --git a/core/sys/process.c b/core/sys/process.c
index ef28f80f4..b2ed5701c 100644
--- a/core/sys/process.c
+++ b/core/sys/process.c
@@ -267,7 +267,7 @@ do_event(void)
     receiver = events[fevent].p;
 
     /* Since we have seen the new event, we move pointer upwards
-       and decrese the number of events. */
+       and decrease the number of events. */
     fevent = (fevent + 1) % PROCESS_CONF_NUMEVENTS;
     --nevents;
 
@@ -337,7 +337,7 @@ process_post(struct process *p, process_event_t ev, process_data_t data)
     if(p == PROCESS_BROADCAST) {
       printf("soft panic: event queue is full when broadcast event %d was posted from %s\n", ev, PROCESS_NAME_STRING(process_current));
     } else {
-      printf("soft panic: event queue is full when event %d was posted to %s frpm %s\n", ev, PROCESS_NAME_STRING(p), PROCESS_NAME_STRING(process_current));
+      printf("soft panic: event queue is full when event %d was posted to %s from %s\n", ev, PROCESS_NAME_STRING(p), PROCESS_NAME_STRING(process_current));
     }
 #endif /* DEBUG */
     return PROCESS_ERR_FULL;