improve description of the function S3Write

source/fld/function.fld

@@ -587,7 +587,7 @@
  <alias>content</alias>
  <type>object</type>
  <required>yes</required>
- <description>value to store on S3.</description>
+ <description>Value to write to S3. This can be a basic value, a binary, or a file reference defined like this: fileOpen("c:/my/file/path.txt").</description>
  </argument>
  <argument>
  <name>charset</name>