diff --git a/nse_nsock.cc b/nse_nsock.cc
index 0f5d0ea9a..3bb118d90 100644
--- a/nse_nsock.cc
+++ b/nse_nsock.cc
@@ -362,7 +362,7 @@ static nse_nsock_udata *check_nsock_udata (lua_State *L, int idx, int open)
 
   if (open && nu->nsiod == NULL) {
     /* The socket hasn't been connected or setup yet. Try doing a setup, or
-       throw and error if that's not possible. */
+       throw an error if that's not possible. */
     if (nu->proto == IPPROTO_UDP) {
       nsock_pool nsp;