Fix an assignment being used instead of a conditional

This was breaking the description of verbose actions.

recursive-macro.js

@@ -942,7 +942,7 @@ function defaultDescribe(verbose = true, parent, descAs) {
       break;
 
   } if (verbose) {
-    if (parent.count = 1) { //singular parent (specifying single to catch cases where groupLessThan3 = true, otherwise it would output "1 towns" instead of "a town"
+    if (parent.count == 1) { //singular parent (specifying single to catch cases where groupLessThan3 = true, otherwise it would output "1 towns" instead of "a town"
       if (things[parent.name].contents.length > 0) {
         return (things[parent.name].descriptor[0] + descriptorConjunction + describe_all(parent.contents, false) + descriptorEnd);
       } else {