diff --git a/README.md b/README.md
index 9e890e8..ae05b3f 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ When installing APC, depending on the system and whether running PHP as a webser
     php_apc_shm_size: "96M"
     php_apc_stat: "1"
 
-Two APC ini directives that are often customized on a system. Set `php_apc_cache_by_default` to 0 to disable APC by default (so you could enable it on a host-by-host basis). Set the `php_apc_shm_size` so it will hold all your application code in memory with a little overhead (fragmentation or APC running out of memory will slow down PHP dramatically).
+Two APC ini directives that are often customized on a system. Set `php_apc_cache_by_default` to 0 to disable APC by default (so you could enable it on a host-by-host basis). Set the `php_apc_shm_size` so it will hold all your application code in memory with a little overhead (fragmentation or APC running out of memory will slow down PHP *dramatically*).
 
 This Ansible role assumes you're including `php-pecl-apc` in the list of `php_packages`. It's rarely a good idea to run a PHP < 5.5 installation without some kind of opcode cache, and APC works great for PHP 5.3 and 5.4.