Prepare release 0.7.0

Change-Id: I86281204533ea893dd03f35fc0d9403be14f7da4
Refs: #5045
diff --git a/docs/INSTALL.rst b/docs/INSTALL.rst
index 2f1cc97..a4b4984 100644
--- a/docs/INSTALL.rst
+++ b/docs/INSTALL.rst
@@ -54,7 +54,7 @@
 
 The first step is to obtain the source code for ``NFD`` and, its main dependency, the
 ``ndn-cxx`` library.  If you are not planning to work with the bleeding edge code, make
-sure you checkout the correct release tag (e.g., ``*-0.6.6``) for both repositories:
+sure you checkout the correct release tag (e.g., ``*-0.7.0``) for both repositories:
 
 ::