Merge pull request #5544 from platformsh/improve-example-memory-hints

Improve example to adjust request memory hints in fpm.md

Author: ralt

sites/platform/src/languages/php/fpm.md

@@ -114,8 +114,8 @@ you can use:
 ```yaml {configFile="app"}
 runtime:
   sizing_hints:
-    request_memory: 110
-    reserved_memory: 80
+    request_memory: 35 # LESS memory per request == MORE workers.
+    reserved_memory: 70
 ```
 Note that the minimum value for the `request_memory` key is 10 MB
 and the minimum value for the `reserved_memory` key is 70 MB.