diff --git a/src/applications/auth/provider/PhabricatorLDAPAuthProvider.php b/src/applications/auth/provider/PhabricatorLDAPAuthProvider.php
--- a/src/applications/auth/provider/PhabricatorLDAPAuthProvider.php
+++ b/src/applications/auth/provider/PhabricatorLDAPAuthProvider.php
@@ -264,7 +264,7 @@
           'talk to LDAP. Usually you can install it with '.
           '`%s`, `%s`, or a similar package manager command.',
           'yum install php-ldap',
-          'apt-get install php5-ldap'));
+          'apt-get install php-ldap'));
     }
   }
 
diff --git a/src/applications/config/check/PhabricatorPHPConfigSetupCheck.php b/src/applications/config/check/PhabricatorPHPConfigSetupCheck.php
--- a/src/applications/config/check/PhabricatorPHPConfigSetupCheck.php
+++ b/src/applications/config/check/PhabricatorPHPConfigSetupCheck.php
@@ -83,7 +83,7 @@
 
         // NOTE: We're intentionally telling you to install "mysqlnd" here; on
         // Ubuntu, there's no separate "mysqli" package.
-        phutil_tag('tt', array(), 'sudo apt-get install php5-mysqlnd'));
+        phutil_tag('tt', array(), 'sudo apt-get install php-mysqlnd'));
 
       $this->newIssue('php.mysqli')
         ->setName(pht('MySQLi Extension Not Available'))
@@ -103,7 +103,7 @@
         'native driver is recommended.'.
         "\n\n".
         'You may be able to install the native driver with a command like: %s',
-        phutil_tag('tt', array(), 'sudo apt-get install php5-mysqlnd'));
+        phutil_tag('tt', array(), 'sudo apt-get install php-mysqlnd'));
 
 
       $this->newIssue('php.myqlnd')
diff --git a/src/docs/user/configuration/configuration_guide.diviner b/src/docs/user/configuration/configuration_guide.diviner
--- a/src/docs/user/configuration/configuration_guide.diviner
+++ b/src/docs/user/configuration/configuration_guide.diviner
@@ -139,7 +139,7 @@
 
 Finally, you should run the following commands to enable php support:
 
-  $ sudo apt-get install php5-cgi  # for Ubuntu; other distros should be similar
+  $ sudo apt-get install php-cgi  # for Ubuntu; other distros should be similar
   $ sudo lighty-enable-mod fastcgi-php
 
 Restart lighttpd after making your edits, then continue below.
diff --git a/src/docs/user/field/restarting.diviner b/src/docs/user/field/restarting.diviner
--- a/src/docs/user/field/restarting.diviner
+++ b/src/docs/user/field/restarting.diviner
@@ -112,5 +112,5 @@
 
 ```
 $ sudo /etc/init.d/php-fpm restart
-$ sudo service php5-fpm reload
+$ sudo service php-fpm reload
 ```
diff --git a/src/docs/user/installation_guide.diviner b/src/docs/user/installation_guide.diviner
--- a/src/docs/user/installation_guide.diviner
+++ b/src/docs/user/installation_guide.diviner
@@ -123,7 +123,7 @@
   - MySQL Server (usually "mysqld" or "mysql-server" or "mariadb-server")
   - PHP (usually "php")
   - Required PHP extensions: mbstring, iconv, mysql (or mysqli), curl, pcntl
-    (these might be something like "php-mysql" or "php5-mysqlnd")
+    (these might be something like "php-mysql" or "php-mysqlnd")
   - Optional PHP extensions: gd, zip
 
 If you already have LAMP setup, you've probably already got everything you need.