diff --git a/Documentation.md b/Documentation.md
index ab4cc2c..2141dd4 100644
--- a/Documentation.md
+++ b/Documentation.md
@@ -72,7 +72,7 @@ Builds a multi choice/select survey trial.
| --- | --- | --- |
| options | Object
| |
| options.responseType | string
| This tells jsPsych which plugin file to use to run the trial. (default: 'survey_multi_choice') |
-| options.preamble | string
| HTML formatted string to display at the top of the page above all the questions. (default: empty string) |
+| options.preamble | string
| HTML formatted string to display at the top of the page above all the questions. (default: "") |
| options.prompts | string
\| Array
| The question prompts, this can be a string (one question) or an Array of strings (multiple questions) (default: "") |
| options.ansChoices | Object
| Object consisting of the key as the answer choice name and value as the array of answer choices. (default: {}) |
@@ -141,6 +141,7 @@ Builds a trial with a question and with free response text fields. The subject t
| Param | Type | Description |
| --- | --- | --- |
| options | Object
| |
+| options.preamble | string
| HTML formatted string to display at the top of the page above all the questions. (default: "") |
| options.stimulus | string
| Onscreen stimulus in HTML to be shown in the trial, if not set default text is empty. If the stimulus is not provided, message should be provided as a string. (default: "") |
| options.message | string
| Onscreen message to be shown in the trial. (default: "") |