diff --git a/src/event.c b/src/event.c
index f1340ea..b722e6c 100644
--- a/src/event.c
+++ b/src/event.c
@@ -104,8 +104,8 @@ void xmpp_run_once(xmpp_ctx_t *ctx, const unsigned long timeout)
             ret = tls_clear_pending_write(conn->tls);
 
             if (ret < 0 && !tls_is_recoverable(tls_error(conn->tls))) {
-                /* an error occured */
-                xmpp_debug(ctx, "xmpp", "Send error occured, disconnecting.");
+                /* an error occurred */
+                xmpp_debug(ctx, "xmpp", "Send error occurred, disconnecting.");
                 conn->error = ECONNABORTED;
                 conn_disconnect(conn);
             }
@@ -120,7 +120,7 @@ void xmpp_run_once(xmpp_ctx_t *ctx, const unsigned long timeout)
                 ret = tls_write(conn->tls, &sq->data[sq->written], towrite);
 
                 if (ret < 0 && !tls_is_recoverable(tls_error(conn->tls))) {
-                    /* an error occured */
+                    /* an error occurred */
                     conn->error = tls_error(conn->tls);
                     break;
                 } else if (ret < towrite) {
@@ -133,7 +133,7 @@ void xmpp_run_once(xmpp_ctx_t *ctx, const unsigned long timeout)
                 ret = sock_write(conn->sock, &sq->data[sq->written], towrite);
 
                 if (ret < 0 && !sock_is_recoverable(sock_error())) {
-                    /* an error occured */
+                    /* an error occurred */
                     conn->error = sock_error();
                     break;
                 } else if (ret < towrite) {
@@ -160,7 +160,7 @@ void xmpp_run_once(xmpp_ctx_t *ctx, const unsigned long timeout)
         if (conn->error) {
             /* FIXME: need to tear down send queues and random other things
              * maybe this should be abstracted */
-            xmpp_debug(ctx, "xmpp", "Send error occured, disconnecting.");
+            xmpp_debug(ctx, "xmpp", "Send error occurred, disconnecting.");
             conn->error = ECONNABORTED;
             conn_disconnect(conn);
         }
diff --git a/tests/res_query_dump.c b/tests/res_query_dump.c
index cb4bdb6..14acae4 100644
--- a/tests/res_query_dump.c
+++ b/tests/res_query_dump.c
@@ -61,7 +61,7 @@ int main(int argc, char **argv)
     len = res_query(fulldomain, C_IN, T_SRV, buf, sizeof(buf));
 
     if (len < 0) {
-        fprintf(stderr, "res_query(): Error occured (errno=%d)\n", errno);
+        fprintf(stderr, "res_query(): Error occurred (errno=%d)\n", errno);
     }
     if (len == 0) {
         fprintf(stderr, "res_query(): Empty result\n");