Add a changelog entry for the previous commit

Author: bbatsov

CHANGELOG.md

@@ -10,7 +10,7 @@
 
 ### Changes
 
-* `cider-switch-to-last-clojure-buffer` switches to most recent relevant Clojure(script) buffer instead of the last "remembered" buffer. 
+* `cider-switch-to-last-clojure-buffer` switches to most recent relevant Clojure(script) buffer instead of the last "remembered" buffer.
 * [cider-nrepl#438](https://github.com/clojure-emacs/cider-nrepl/pull/438): Improve startup time by deferring loading CIDER's middleware until the first usage.
 * [#2078](https://github.com/clojure-emacs/cider/pull/2078): Improve startup time by bundling together sync requests during startup.
 * `cider-rotate-default-connection` will warn if you use it with only a single active connection.
@@ -22,6 +22,7 @@
 * [#2088](https://github.com/clojure-emacs/cider/issues/2088): Fix functions defined with `def` being font-locked as vars instead of functions.
 * [#1651](https://github.com/clojure-emacs/cider/issues/1651), [cider-nrepl#445](https://github.com/clojure-emacs/cider-nrepl/pull/455): Fix `cider-expected-ns` returns `nil` on boot projects.
 * [#2120](https://github.com/clojure-emacs/cider/issues/2120): Fix Travis CI build errors for emacs versions >25.2.
+* [#2117](https://github.com/clojure-emacs/cider/pull/2117): Ensure cider-repl-result-prefix is only inserted before the first result chunk.
 
 ## 0.15.1 (2017-09-13)