Clarify that 'None' is the literal value if file content cannot be determined during the analysis phase.
@@ -103,9 +103,9 @@ public interface ActionApi extends StarlarkValue {
"For actions created by <a href=\"actions.html#write\">ctx.actions.write()</a> or "
+ "<a href=\"actions.html#expand_template\">ctx.actions.expand_template()</a>,"
+ " the contents of the file to be written, if those contents can be computed during "
- + " the analysis phase. None if the contents cannot be determined until the "
- + " execution phase, such as when a directory in an {@code Args} object needs to be "
- + " expanded.",
+ + " the analysis phase. The value is <code>None</code> if the contents cannot be "
+ + "determined until the execution phase, such as when a directory in an {@code Args} "
+ + "object needs to be expanded.",
structField = true,
allowReturnNones = true)
@Nullable
