diff --git a/README.md b/README.md
index 6d3f54ea..a5cfb9bd 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ List supported Rubies and their current stable versions:
 
 Updates then list the supported Rubies and their current stable versions:
 
-    $ ruby-install --latest
+    $ ruby-install --update
 
 Install the current stable version of Ruby:
 
@@ -65,7 +65,7 @@ Install the current stable version of Ruby:
 
 Install the latest version of Ruby:
 
-    $ ruby-install --latest ruby
+    $ ruby-install --update ruby
 
 Install a stable version of Ruby:
 
diff --git a/doc/man/ruby-install.1.md b/doc/man/ruby-install.1.md
index 7f1a8733..f8e0a7be 100644
--- a/doc/man/ruby-install.1.md
+++ b/doc/man/ruby-install.1.md
@@ -92,7 +92,7 @@ https://github.com/postmodern/ruby-install#readme
 `--no-reinstall`
 	Skip installation if another Ruby is detected in same location.
 
-`-L`, `--latest`
+`-U`, `--update`
 	Downloads the latest ruby versions and checksums from the ruby-versions
 	repository (https://github.com/postmodern/ruby-versions#readme).
 
diff --git a/share/man/man1/ruby-install.1 b/share/man/man1/ruby-install.1
index 140826c5..d76bf1c0 100644
--- a/share/man/man1/ruby-install.1
+++ b/share/man/man1/ruby-install.1
@@ -121,7 +121,7 @@ Do not install build dependencies before installing Ruby\.
 Skip installation if another Ruby is detected in same location\.
 .LP
 .TP
-\fB-L\fR, \fB--latest\fR
+\fB-U\fR, \fB--update\fR
 Downloads the latest ruby versions and checksums from the ruby\-versions
 repository (https:\[sl]\[sl]github\.com\[sl]postmodern\[sl]ruby\-versions\[sh]readme)\.
 .LP
diff --git a/share/ruby-install/ruby-install.sh b/share/ruby-install/ruby-install.sh
index 118b8ced..72ff6acf 100644
--- a/share/ruby-install/ruby-install.sh
+++ b/share/ruby-install/ruby-install.sh
@@ -191,7 +191,7 @@ function parse_options()
 				shift
 				;;
 			-L|--latest)
-				warn "deprecation: -L,--latest is deprecated. Please use -U,--update instead."
+				warn "DEPRECATION: -L,--latest is deprecated. Please use -U,--update instead."
 				force_update=1
 				shift
 				;;
diff --git a/test/ruby-install-tests/parse_options_test.sh b/test/ruby-install-tests/parse_options_test.sh
index 0ad316ce..63a8ca77 100755
--- a/test/ruby-install-tests/parse_options_test.sh
+++ b/test/ruby-install-tests/parse_options_test.sh
@@ -236,6 +236,27 @@ function test_parse_options_with_no_reinstall()
 	assertEquals "did not set to \$no_reinstall" 1 $no_reinstall
 }
 
+function test_parse_options_with_latest()
+{
+	parse_options "--latest" "ruby" 2>/dev/null
+
+	assertEquals "did not set to \$force_update" 1 $force_update
+}
+
+function test_parse_option_with_latest_deprecation_warning()
+{
+	local output="$(parse_options "--latest" "ruby" 2>&1)"
+
+	assertEquals "*** DEPRECATION: -L,--latest is deprecated. Please use -U,--update instead." "$output"
+}
+
+function test_parse_options_with_update()
+{
+	parse_options "--update" "ruby" 2>/dev/null
+
+	assertEquals "did not set to \$force_update" 1 $force_update
+}
+
 function test_parse_options_with_additional_options()
 {
 	local expected=(--enable-shared CFLAGS="-03")