diff --git a/NEWS b/NEWS
index 372bd6f7..d4ea5c97 100644
--- a/NEWS
+++ b/NEWS
@@ -40,6 +40,8 @@ Incompatibilities:
   and its security goals are undocumented.  If you must enable
   ECMAScript support, it would be prudent to restrict the ELinks
   process with a sandbox of some kind.
+* ECMAScript support no longer works with SpiderMonkey versions
+  earlier than JS1.5 RC3a.
 * Gzip decompression support now requires zlib 1.2.0.2 or later.
 * bugs 871, 752: The numbering of terminal.*.colors no longer depends
   on config options.  This change makes elinks.conf portable between
diff --git a/configure.in b/configure.in
index e81a5706..1e3c3865 100644
--- a/configure.in
+++ b/configure.in
@@ -615,7 +615,7 @@ dnl ===================================================================
 
 AC_ARG_WITH(spidermonkey, [  --without-spidermonkey  disable SpiderMonkey Mozilla JavaScript engine support],
             [if test "$withval" = no; then disable_spidermonkey=yes; fi])
-AC_MSG_CHECKING([for SpiderMonkey])
+AC_MSG_CHECKING([for SpiderMonkey (1.5 RC3a or later)])
 
 EL_SAVE_FLAGS
 cf_result=no