Updates README to reflect proper title.

Signed-off-by: Ethan Mahintorabi <ethanmoon@google.com>

README.rst

diff --git a/README.rst b/README.rst
index 741d405..7c44474 100644
--- a/README.rst
+++ b/README.rst
@@ -1,5 +1,5 @@
-:lib:`sky130_fd_pr_reram` - SKY130 IO and periphery cells (SkyWater Provided)
-=======================================================================
+:lib:`sky130_fd_pr_reram` - SKY130 ReRAM and examples (SkyWater Provided)
+=========================================================================
 .. toctree::
     :maxdepth: 1
     :name: sky130-reram-top