Prep for 3.1.1-RC2 (#3148)

diff --git a/.gitignore b/.gitignore
index 5411c5d..d76b7cb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.o
+*.asc
 *.sha256
 *.sha512
 *.snap
diff --git a/rebar.config.script b/rebar.config.script
index e48a559..1ffbf70 100644
--- a/rebar.config.script
+++ b/rebar.config.script
@@ -151,7 +151,7 @@
 
 %% Non-Erlang deps
 {docs,             {url, "https://github.com/apache/couchdb-documentation"},
-                   {tag, "3.1.1-RC1"}, [raw]},
+                   {tag, "3.1.1-RC2"}, [raw]},
 {fauxton,          {url, "https://github.com/apache/couchdb-fauxton"},
                    {tag, "v1.2.6"}, [raw]},
 %% Third party deps