diff --git a/docs/syntax/gantt.md b/docs/syntax/gantt.md
index 33c2740e5..07fc897ec 100644
--- a/docs/syntax/gantt.md
+++ b/docs/syntax/gantt.md
@@ -420,11 +420,21 @@ mermaid.ganttConfig can be set to a JSON string with config parameters or the co
 
 ```javascript
 mermaid.ganttConfig = {
-  titleTopMargin: 25,
-  barHeight: 20,
-  barGap: 4,
-  topPadding: 75,
-  sidePadding: 75,
+  titleTopMargin: 25, // Margin top for the text over the diagram
+  barHeight: 20, // The height of the bars in the graph
+  barGap: 4, // The margin between the different activities in the gantt diagram
+  topPadding: 75, // Margin between title and gantt diagram and between axis and gantt diagram.
+  rightPadding: 75, // The space allocated for the section name to the right of the activities
+  leftPadding: 75, // The space allocated for the section name to the left of the activities
+  gridLineStartPadding: 10, // Vertical starting position of the grid lines
+  fontSize: 12, // Font size
+  sectionFontSize: 24, // Font size for sections
+  numberSectionStyles: 1, // The number of alternating section styles
+  axisFormat: '%d/%m', // Date/time format of the axis
+  tickInterval: '1 week', // Axis ticks
+  topAxis: true, // When this flag is set, date labels will be added to the top of the chart
+  displayMode: 'compact', // Turns compact mode on
+  weekday: 'sunday', // On which day a week-based interval should start
 };
 ```
 
diff --git a/packages/mermaid/src/docs/syntax/gantt.md b/packages/mermaid/src/docs/syntax/gantt.md
index a0cebc560..6940f882f 100644
--- a/packages/mermaid/src/docs/syntax/gantt.md
+++ b/packages/mermaid/src/docs/syntax/gantt.md
@@ -325,11 +325,21 @@ mermaid.ganttConfig can be set to a JSON string with config parameters or the co
 
 ```javascript
 mermaid.ganttConfig = {
-  titleTopMargin: 25,
-  barHeight: 20,
-  barGap: 4,
-  topPadding: 75,
-  sidePadding: 75,
+  titleTopMargin: 25, // Margin top for the text over the diagram
+  barHeight: 20, // The height of the bars in the graph
+  barGap: 4, // The margin between the different activities in the gantt diagram
+  topPadding: 75, // Margin between title and gantt diagram and between axis and gantt diagram.
+  rightPadding: 75, // The space allocated for the section name to the right of the activities
+  leftPadding: 75, // The space allocated for the section name to the left of the activities
+  gridLineStartPadding: 10, // Vertical starting position of the grid lines
+  fontSize: 12, // Font size
+  sectionFontSize: 24, // Font size for sections
+  numberSectionStyles: 1, // The number of alternating section styles
+  axisFormat: '%d/%m', // Date/time format of the axis
+  tickInterval: '1 week', // Axis ticks
+  topAxis: true, // When this flag is set, date labels will be added to the top of the chart
+  displayMode: 'compact', // Turns compact mode on
+  weekday: 'sunday', // On which day a week-based interval should start
 };
 ```