JavaScript: Fix two comments.

Author: Max Schaefer

javascript/ql/src/semmle/javascript/dataflow/TaintTracking.qll

@@ -443,7 +443,7 @@ module TaintTracking {
           (mce.getMethodName() = "fromCharCode" or mce.getMethodName() = "fromCodePoint")
         )
         or
-        // `(encode|decode)URI(Component)?` and `escape` propagate taint
+        // `(encode|decode)URI(Component)?` propagate taint
         exists(DataFlow::CallNode c, string name |
           this = c and
           c = DataFlow::globalVarRef(name).getACall() and

javascript/ql/src/semmle/javascript/security/dataflow/DOM.qll

@@ -1,5 +1,5 @@
 /**
- * Provides predicates for reasoning about DOM types.
+ * Provides predicates for reasoning about DOM types and methods.
  */
 
 import javascript