diff --git a/046-read-rforge.Rmd b/046-read-rforge.Rmd
index 6a934fd..d9cf21a 100644
--- a/046-read-rforge.Rmd
+++ b/046-read-rforge.Rmd
@@ -3,6 +3,8 @@ This demo shows you how to reference code in a URL. We use R-Forge as an example
 We cache this chunk so that the next time we compile this document, the code does not need to be read from the web again.
 ```{r setup}
 library(knitr)
+```
+
 ```{r read-code, cache=TRUE}
 demo.sub = read_rforge('rgl/demo/subdivision.r', project = 'rgl')
 head(demo.sub)