Minor bugfixes encountered in the 3.2.0 release (#85)

diff --git a/README.md b/README.md
index 7d66248..0e31880 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@
 
 ## Uploading the packages
 
-If you have Apache Bintray credentials (set your `BINTRAY_USER` and `BINTRAY_API_KEY` environment variables appropriately), after building all CouchDB packages above, simply run:
+If you have Apache credentials (set your `BINARY_CREDS` environment variable appropriately), after building all CouchDB packages above, **and signing the rpms with the appropriate GPG key using the `rpmsign --addsign <file.rpm>` command**, simply run:
 
     ./build.sh couch-upload-all
 
diff --git a/build.sh b/build.sh
index b729ec1..27aa61b 100755
--- a/build.sh
+++ b/build.sh
@@ -106,7 +106,7 @@
     build-couch $plat $*
   done
   for arch in $XPLAT_ARCHES; do
-    CONTAINERARCH="${arch}-" build-couch $XPLAT_BASE
+    CONTAINERARCH="${arch}" build-couch $XPLAT_BASE
   done
 }