missing comma
diff --git a/man/spec_hist.Rd b/man/spec_hist.Rd
index 222db0b..cfdeed3 100644
--- a/man/spec_hist.Rd
+++ b/man/spec_hist.Rd
@@ -150,7 +150,7 @@
 }
 \description{
 These functions helps you quickly generate sets of sparkline
-style plots using base R plotting system. Currently, we support histogram
+style plots using base R plotting system. Currently, we support histogram,
 boxplot, and line. You can use them together with \code{column_spec} to
 generate inline plot in tables. By default, this function will save images
 in a folder called "kableExtra" and return the address of the file.