diff --git a/NEWS.md b/NEWS.md
index 70db2bfa0..d3edccfe8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -55,8 +55,13 @@
 
 ## Minor improvements and bug fixes
 
-* `person` now supports all [MARC Relator](http://www.loc.gov/marc/relators/relaterm.html)
-  role codes (#662, @publicus).
+* `topic_add_usage()` now outputs formatted "Usage" section with max
+  width of 80 characters thanks to a now more flexible `wrap_string()`
+  (@JoshOBrien, #719).
+	
+* `person()` now supports all
+  [MARC Relator](http://www.loc.gov/marc/relators/relaterm.html) role codes
+  (#662, @publicus).
 
 * Empty `.Rbuildignore` now handled correctly (#576).
 
diff --git a/R/rd.R b/R/rd.R
index 1d7922e47..78d232b48 100644
--- a/R/rd.R
+++ b/R/rd.R
@@ -331,7 +331,7 @@ topic_add_keyword <- function(topic, block) {
 # Prefer explicit \code{@@usage} to a \code{@@formals} list.
 topic_add_usage <- function(topic, block) {
   if (is.null(block$usage)) {
-    usage <- wrap_string(object_usage(attr(block, "object")))
+    usage <- wrap_string(object_usage(attr(block, "object")), width = 75L)
   } else if (block$usage == "NULL") {
     usage <- NULL
   } else {
diff --git a/R/utils.R b/R/utils.R
index 56d6d21a1..2f5a51ab6 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -156,10 +156,10 @@ read.description <- function(file) {
 }
 
 
-wrap_string <- function(x) UseMethod("wrap_string")
-wrap_string.NULL <- function(x) return(x)
-wrap_string.default <- function(x) {
-  y <- wrapString(x)
+wrap_string <- function(x, ...) UseMethod("wrap_string")
+wrap_string.NULL <- function(x, width = NULL) return(x)
+wrap_string.default <- function(x, width = 80L) {
+  y <- wrapString(x, width = as.integer(width))
   y <- gsub("\u{A0}", " ", y, useBytes = TRUE)
   Encoding(y) <- "UTF-8"
   class(y) <- class(x)