diff --git a/doc/guides/writing-and-running-benchmarks.md b/doc/guides/writing-and-running-benchmarks.md
index 7e00e65a7b8..1198abe19bf 100644
--- a/doc/guides/writing-and-running-benchmarks.md
+++ b/doc/guides/writing-and-running-benchmarks.md
@@ -74,11 +74,8 @@ install.packages("ggplot2")
 install.packages("plyr")
 ```
 
-In the event that a message is reported stating that a CRAN mirror must be
-selected first, specify a mirror by adding in the repo parameter.
-
-If we used the "<http://cran.us.r-project.org>" mirror, it could look something
-like this:
+If a message states that a CRAN mirror must be selected first, specify a mirror
+with the `repo` parameter.
 
 ```r
 install.packages("ggplot2", repo="http://cran.us.r-project.org")