update doc
diff --git a/man/linebreak.Rd b/man/linebreak.Rd
index 32cb1c5..d7581d6 100644
--- a/man/linebreak.Rd
+++ b/man/linebreak.Rd
@@ -4,7 +4,8 @@
 \alias{linebreak}
 \title{Make linebreak in LaTeX Table cells}
 \usage{
-linebreak(x, align = c("l", "c", "r"), double_escape = F)
+linebreak(x, align = c("l", "c", "r"), double_escape = F,
+  linebreaker = "\\n")
 }
 \arguments{
 \item{x}{A character vector}
@@ -13,6 +14,8 @@
 
 \item{double_escape}{Whether special character should be double escaped.
 Default is FALSE.}
+
+\item{linebreaker}{Symbol for linebreaks to replace. Default is \code{\n}.}
 }
 \description{
 This function generate LaTeX code of \code{makecell} so that users