Space between ellipses and keywords

Closes #464
diff --git a/CHANGELOG b/CHANGELOG
index fb7a63e..7dbe0a0 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -8,6 +8,8 @@
   split before the first argument in a function call.
 - Split before the first argument in a function call if the arguments contain a
   dictionary that doesn't fit on a single line.
+### Fixed
+- Enforce spaces between ellipses and keywords.
 
 ## [0.19.0] 2017-10-14
 ### Added