Fix missing negation

README.md

@@ -40,8 +40,8 @@ Non-goals
  *  Manage huge and complicated tree of build targets.
 
     If you want to really build "serious" "big" stuff from hundreds of
-    source files, MKit is probably for you.  Nobody has ever tried to
-    use it that way.  What MKit understands as "building" is just
+    source files, MKit is probably not for you.  Nobody has ever tried
+    to use it that way.  What MKit understands as "building" is just
     replacing tokens in files.  (Some extensibility will  be added in
     future but scaling to huge things is not a priority for now.)