Documentation: Fix typo backtick in README

Author: ywarnier

README.md

@@ -77,7 +77,7 @@ vim /etc/apache2/sites-available/my.chamilo.net.conf
   php_value session.cookie_httponly 1
   php_admin_value session.save_handler "redis"
   php_admin_value session.save_path "tcp://127.0.0.1:6379"
-  php_admin_value upload_max_filesize 256M`
+  php_admin_value upload_max_filesize 256M
   php_admin_value post_max_size 256M
 </VirtualHost>
 # exit with "escape, :, wq"

public/main/install/apache.dist.conf

@@ -9,7 +9,7 @@
   php_value session.cookie_httponly 1
   php_admin_value session.save_handler "redis"
   php_admin_value session.save_path "tcp://127.0.0.1:6379"
-  php_admin_value upload_max_filesize 256M`
+  php_admin_value upload_max_filesize 256M
   php_admin_value post_max_size 256M
   <LocationMatch "/.git">
     Require all denied