Clarify number of functions allowed in base tier

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

Author: alexellis

_includes/pricing-page/pricing-edge.html

@@ -35,7 +35,7 @@
                                     <path d="M1412 734q0-28-18-46l-91-90q-19-19-45-19t-45 19l-408 407-226-226q-19-19-45-19t-45 19l-91 90q-18 18-18 46 0 27 18 45l362 362q19 19 45 19 27 0 46-19l543-543q18-18 18-45zm252 162q0 209-103 385.5t-279.5 279.5-385.5 103-385.5-103-279.5-279.5-103-385.5 103-385.5 279.5-279.5 385.5-103 385.5 103 279.5 279.5 103 385.5z">
                                     </path>
                                 </svg>
-                                <span data-tooltip="25 included in base package, additional functions available as add-ons.">25-250 functions.</span>
+                                <span data-tooltip="25 included in base package, additional functions available as add-ons.">25 functions included in base tier (up to 500 via add-on)</span>
                             </li>
                             <li class="mb-3 is-flex is-align-items-center">
                                 <svg class="image is-24x24 mr-2" xmlns="http://www.w3.org/2000/svg"stroke="currentColor" fill="#10b981" viewBox="0 0 1792 1792">