doc: add missing required newline in .rst formatting

Signed-off-by: Christian Hopps <chopps@labn.net>

diff --git a/doc/developer/topotests.rst b/doc/developer/topotests.rst
index b89b63029b1d6981686299bec1cd7286a6429934..e1702c47c78169a2087b84138faa4e64ced37520 100644 (file)
--- a/doc/developer/topotests.rst
+++ b/doc/developer/topotests.rst
@@ -46,6 +46,7 @@ The version of protobuf package that is installed on your system will determine
 which versions of the python protobuf packages you need to install.
 
 .. code:: shell
+
    # - Either - For protobuf version <= 3.12
    python3 -m pip install 'protobuf<4'