Docs: httpdomain package name uses dash instead of period

jessetan · Blendify · commit 24a700033412 · 2018-02-08T09:42:11.000-05:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,2 +1,2 @@
-sphinxcontrib.httpdomain
+sphinxcontrib-httpdomain
 sphinx
