NS_Provider_IPL4: fix typos in comments

Change-Id: I05ccbf2eb7387bc8c1277a53591efbf503d46051
diff --git a/library/NS_Provider_IPL4.ttcn b/library/NS_Provider_IPL4.ttcn
index 8145c13..774c08a 100644
--- a/library/NS_Provider_IPL4.ttcn
+++ b/library/NS_Provider_IPL4.ttcn
@@ -16,10 +16,10 @@
  *    exchange data with the next higher level component, such as a NSVC_CT
  *    or a RAW_NS_CT.
  *
- * 2) the enew "endpoint" mode, where one provider can host a number of different
+ * 2) the new "endpoint" mode, where one provider can host a number of different
  *    NSVCs.  This is needed in most non-trivial IP-SNS scenarios.   The 'NSE'
  *    port of this component is no longer used.  Instead, there is a NSVC port
- *    array, one of which will be used for each NSVC.   The NSVCs are dynamically
+ *    array, one of which will be used for each NSVC. The NSVCs are dynamically
  *    added and removed via the PROC procedure port, controlled by NS_CT.
  */