docs: Prepare release of version 2.1
Change-Id: I3694a8791b9540fc1b926a83ff55421b47e0f1b1
Refs: #3151
diff --git a/docs/source/intro.rst b/docs/source/intro.rst
index 4c4c981..f976b8d 100644
--- a/docs/source/intro.rst
+++ b/docs/source/intro.rst
@@ -49,7 +49,7 @@
Specifically, the simulator directly uses NFD implementations of :nfd:`pending Interest
table (PIT) <nfd::Pit>`, :nfd:`forwarding information base (FIB) <nfd::Fib>`, and
-:nfd:`content store <nfd::Cs>` data structures. In addition to that, ndnSIM allows
+:nfd:`content store <nfd::cs::Cs>` data structures. In addition to that, ndnSIM allows
experimentation with :ndnSIM:`ndnSIM-specific content store <ndn::ContentStore>` along
with its cache replacement policies ported from the previous version of ndnSIM.