diff --git a/src/common/log.c b/src/common/log.c
index 6e0366835c..27facbdbff 100644
--- a/src/common/log.c
+++ b/src/common/log.c
@@ -231,6 +231,8 @@ logv(int severity, uint32_t domain, const char *funcname, const char *format,
     }
     if (lf->is_syslog) {
 #ifdef HAVE_SYSLOG_H
+      /* XXXX Some syslog implementations have scary limits on the length of
+       * what you can pass them.  Can/should we detect this? */
       syslog(severity, "%s", end_of_prefix);
 #endif
       lf = lf->next;
diff --git a/src/or/eventdns.c b/src/or/eventdns.c
index 6bf195b4da..055dee54d6 100644
--- a/src/or/eventdns.c
+++ b/src/or/eventdns.c
@@ -2768,6 +2768,7 @@ load_nameservers_with_getnetworkparams(void)
 	IP_ADDR_STRING *ns;
 	GetNetworkParams_fn_t fn;
 
+	/* XXXX Possibly, we should hardcode the location of this DLL. */
 	if (!(handle = LoadLibrary("iphlpapi.dll"))) {
 		log(EVDNS_LOG_WARN, "Could not open iphlpapi.dll");
 		//right now status = 0, doesn't that mean "good" - mikec
diff --git a/src/or/main.c b/src/or/main.c
index a54e2d82fc..7517770347 100644
--- a/src/or/main.c
+++ b/src/or/main.c
@@ -1775,6 +1775,7 @@ nt_service_loadlibrary(void)
   if (service_fns.loaded)
     return 0;
 
+  /* XXXX Possibly, we should hardcode the location of this DLL. */
   if (!(library = LoadLibrary("advapi32.dll"))) {
     log_err(LD_GENERAL, "Couldn't open advapi32.dll.  Are you trying to use "
             "NT services on Windows 98? That doesn't work.");