diff --git a/nsock/src/engine_epoll.c b/nsock/src/engine_epoll.c
index f4afe09ea..edf2d5e6f 100644
--- a/nsock/src/engine_epoll.c
+++ b/nsock/src/engine_epoll.c
@@ -291,7 +291,7 @@ int epoll_loop(mspool *nsp, int msec_timeout) {
     }
 
     gettimeofday(&nsock_tod, NULL); /* Due to usleep or epoll delay */
-  } while (results_left == -1 && sock_err == EINTR); /* repeat only if signal occured */
+  } while (results_left == -1 && sock_err == EINTR); /* repeat only if signal occurred */
 
   if (results_left == -1 && sock_err != EINTR) {
     nsock_trace(nsp, "nsock_loop error %d: %s", sock_err, socket_strerror(sock_err));
diff --git a/nsock/src/engine_select.c b/nsock/src/engine_select.c
index e1e85a50a..196687b59 100644
--- a/nsock/src/engine_select.c
+++ b/nsock/src/engine_select.c
@@ -140,13 +140,13 @@ extern struct timeval nsock_tod;
  * Engine specific data structure
  */
 struct select_engine_info {
-  /* Descriptors from which have pending READ events */
+  /* Descriptors which have pending READ events */
   fd_set fds_master_r;
 
-  /* Descriptors which we are tryint to WRITE to */
+  /* Descriptors we are trying to WRITE to */
   fd_set fds_master_w;
 
-  /* looking for exceptional events -- used with connect */
+  /* Looking for exceptional events -- used with connect */
   fd_set fds_master_x;
 
   /* For keeping track of the select results */
@@ -333,7 +333,7 @@ int select_loop(mspool *nsp, int msec_timeout) {
     }
 
     gettimeofday(&nsock_tod, NULL); /* Due to usleep or select delay */
-  } while (results_left == -1 && sock_err == EINTR); /* repeat only if signal occured */
+  } while (results_left == -1 && sock_err == EINTR); /* repeat only if signal occurred */
 
   if (results_left == -1 && sock_err != EINTR) {
     nsock_trace(nsp, "nsock_loop error %d: %s", sock_err, socket_strerror(sock_err));
diff --git a/nsock/src/nsock_core.c b/nsock/src/nsock_core.c
index e2abd3156..4c5fd6c8a 100644
--- a/nsock/src/nsock_core.c
+++ b/nsock/src/nsock_core.c
@@ -852,7 +852,7 @@ int pcap_read_on_nonselect(mspool *nsp) {
 /* Here is the all important looping function that tells the event engine to
  * start up and begin processing events.  It will continue until all events have
  * been delivered (including new ones started from event handlers), or the
- * msec_timeout is reached, or a major error has occured.  Use -1 if you don't
+ * msec_timeout is reached, or a major error has occurred.  Use -1 if you don't
  * want to set a maximum time for it to run.  A timeout of 0 will return after 1
  * non-blocking loop.  The nsock loop can be restarted again after it returns.
  * For example you could do a series of 15 second runs, allowing you to do other
@@ -998,7 +998,7 @@ void process_event(mspool *nsp, gh_list *evlist, msevent *nse, int ev) {
           handle_pcap_read_result(nsp, nse, NSE_STATUS_TIMEOUT);
 
         #if PCAP_BSD_SELECT_HACK
-        /* If event occured, and we're in BSD_HACK mode, then this event was added
+        /* If event occurred, and we're in BSD_HACK mode, then this event was added
          * to two queues. read_event and pcap_read_event
          * Of course we should destroy it only once.
          * I assume we're now in read_event, so just unlink this event from
diff --git a/nsock/src/nsock_event.c b/nsock/src/nsock_event.c
index c2ebfba58..3adf8b915 100644
--- a/nsock/src/nsock_event.c
+++ b/nsock/src/nsock_event.c
@@ -305,7 +305,7 @@ int msevent_cancel(mspool *nsp, msevent *nse, gh_list *event_list, gh_list_elem
                   nse->id, &nsp->pcap_read_events, &nsp->read_events,
                   event_list,((mspcap *)nse->iod->pcap)->pcap_desc);
 
-    /* If event occured, and we're in BSD_HACK mode, than this event was added to
+    /* If event occurred, and we're in BSD_HACK mode, then this event was added to
      * two queues. read_event and pcap_read_event Of course we should
      * destroy it only once.  I assume we're now in read_event, so just unlink
      * this event from pcap_read_event */