Address PR feedback

Author: amcasey

src/compiler/checker.ts

@@ -17026,10 +17026,10 @@ namespace ts {
 
                     const sourceSize = sourceUnionOrIntersection.types.length;
                     const targetSize = targetUnionOrIntersection.types.length;
-                    if (sourceSize * targetSize > 1E7) {
+                    if (sourceSize * targetSize > 1E6) {
                         if (reportErrors) {
                             tracing.instant(tracing.Phase.CheckTypes, "areUnionsOrIntersectionsTooLarge_DepthLimit", { sourceId: source.id, sourceSize, targetId: target.id, targetSize });
-                            reportError(Diagnostics.Expression_requires_comparison_of_excessively_large_unions_or_intersections);
+                            reportError(Diagnostics.Expression_requires_comparison_of_excessively_large_union_or_intersection_types);
                         }
                         return true;
                     }

src/compiler/diagnosticMessages.json

@@ -3059,7 +3059,7 @@
         "category": "Error",
         "code": 2796
     },
-    "Expression requires comparison of excessively large unions or intersections.": {
+    "Expression requires comparison of excessively large union or intersection types.": {
         "category": "Error",
         "code": 2797
     },