Minor README improvements; fix outdated URLs

Change-Id: Ia57f83892471ad85a2301ba4c8ab3df144581000
diff --git a/tools/chunks/README.md b/tools/chunks/README.md
index 8b47eea..3c73bcf 100644
--- a/tools/chunks/README.md
+++ b/tools/chunks/README.md
@@ -4,8 +4,8 @@
 
 * **ndnputchunks** is a producer program that reads a file from the standard input, and makes
   it available as a set of NDN Data segments. It appends version and segment number components
-  to the specified name as needed, according to the
-  [NDN naming conventions](https://named-data.net/publications/techreports/ndn-tr-22-2-ndn-memo-naming-conventions/).
+  to the specified name as needed, according to the [NDN naming conventions](
+  https://named-data.net/publications/techreports/ndn-tr-22-3-ndn-memo-naming-conventions/).
 
 * **ndncatchunks** is a consumer program that fetches Data segments of a file, optionally
   discovering the latest version of the file, and writes the content of the retrieved file to
@@ -18,7 +18,7 @@
 be sent out to fetch metadata of the solicited content from which the Data version will be resolved.
 For more information about the packet format and naming conventions of Interest and Data packets
 used for version discovery in ndncatchunks, please refer to:
-[Realtime Data Retrieval (RDR) protocol wiki page](https://redmine.named-data.net/projects/ndn-tlv/wiki/RDR)
+[Realtime Data Retrieval (RDR) protocol](https://redmine.named-data.net/projects/ndn-tlv/wiki/RDR).
 
 ## Interest pipeline types in ndncatchunks
 
@@ -32,7 +32,7 @@
 * `cubic`: adjusts the window size similar to the TCP CUBIC algorithm.
            For details about both aimd and cubic please refer to:
            [A Practical Congestion Control Scheme for Named Data
-           Networking](https://conferences2.sigcomm.org/acm-icn/2016/proceedings/p21-schneider.pdf)
+           Networking](https://conferences2.sigcomm.org/acm-icn/2016/proceedings/p21-schneider.pdf).
 
 The default Interest pipeline type is `cubic`.