Updated example .env

Author: hschimpf

.env.example

@@ -13,5 +13,6 @@ MAX_PARALLEL_PUBLISH=3
 # Do not uncomment this line, unless you have a depot.dev account.
 #USE_DEPOT=1
 
-# Uncomment this line if you want to build PHP with ZTS enabled
-#ENABLE_ZTS=1
+# Uncomment this line if you want to add custom flags to the PHP compilation process.
+# For example, you can add the flag --enable-zts to complile PHP with ZTS enabled
+#PHP_COMPILATION_FLAGS=