diff --git a/src/objectliterals.jsdoc b/src/objectliterals.jsdoc
index f6fba884dc..72b96d01cd 100644
--- a/src/objectliterals.jsdoc
+++ b/src/objectliterals.jsdoc
@@ -118,7 +118,7 @@
  * @property {ol.Coordinate|undefined} center The initial center for the view.
  *     The coordinate system for the center is specified with the `projection`
  *     option. Default is `undefined`, and layer sources will not be fetched if
- *       this is not set.
+ *     this is not set.
  * @property {ol.Extent|undefined} extent The extent that constrains the center,
  *     in other words, center cannot be set outside this extent.
  *     Default is `undefined`.
@@ -205,12 +205,12 @@
 
 /**
  * @typedef {Object} olx.control.DefaultsOptions
- * @property {boolean|undefined} attribution Attribution.
+ * @property {boolean|undefined} attribution Attribution. Default is `true`.
  * @property {olx.control.AttributionOptions|undefined} attributionOptions
  *     Attribution options.
- * @property {boolean|undefined} logo Logo.
+ * @property {boolean|undefined} logo Logo. Default is `true`.
  * @property {olx.control.LogoOptions|undefined} logoOptions Logo options.
- * @property {boolean|undefined} zoom Zoom.
+ * @property {boolean|undefined} zoom Zoom. Default is `true`.
  * @property {olx.control.ZoomOptions|undefined} zoomOptions Zoom options.
  * @todo stability experimental
  */
@@ -245,9 +245,10 @@
 /**
  * @typedef {Object} olx.control.ScaleLineOptions
  * @property {string|undefined} className CSS Class name. Default is `ol-scale-line`.
- * @property {number|undefined} minWidth Minimum width in pixels.
+ * @property {number|undefined} minWidth Minimum width in pixels. Default is `64`.
  * @property {Element|undefined} target Target.
  * @property {ol.control.ScaleLineUnits|undefined} units Units.
+ *     Default is `ol.control.ScaleLineUnits.METRIC`.
  * @todo stability experimental
  */
 
@@ -322,20 +323,20 @@
  * Interactions for the map. Default is `true` for all options.
  * @typedef {Object} olx.interaction.DefaultsOptions
  * @property {boolean|undefined} altShiftDragRotate Whether Alt-Shift-drag
- *     rotate is desired.
+ *     rotate is desired. Default is `true`.
  * @property {boolean|undefined} doubleClickZoom Whether double click zoom is
- *     desired.
- * @property {boolean|undefined} dragPan Whether drag-pan is desired.
+ *     desired. Default is `true`.
+ * @property {boolean|undefined} dragPan Whether drag-pan is desired. Default is `true`.
  * @property {boolean|undefined} keyboard Whether keyboard interaction is
- *     desired.
+ *     desired. Default is `true`.
  * @property {boolean|undefined} mouseWheelZoom Whether mousewheel zoom is
- *     desired.
+ *     desired. Default is `true`.
  * @property {boolean|undefined} shiftDragZoom Whether Shift-drag zoom is
- *     desired.
+ *     desired. Default is `true`.
  * @property {boolean|undefined} touchPan Whether touch pan is
- *     desired.
- * @property {boolean|undefined} touchRotate Whether touch rotate is desired.
- * @property {boolean|undefined} touchZoom Whether touch zoom is desired.
+ *     desired. Default is `true`.
+ * @property {boolean|undefined} touchRotate Whether touch rotate is desired. Default is `true`.
+ * @property {boolean|undefined} touchZoom Whether touch zoom is desired. Default is `true`.
  * @property {number|undefined} zoomDelta Zoom delta.
  * @property {number|undefined} zoomDuration Zoom duration.
  * @todo stability experimental
@@ -634,14 +635,14 @@
 /**
  * @typedef {Object} olx.source.MapGuideOptions
  * @property {string|undefined} url The mapagent url.
- * @property {number|undefined} metersPerUnit The meters-per-unit value.
- * @property {ol.Extent|undefined} extent Extent..
- * @property {boolean|undefined} useOverlay If true, will use
- *     GETDYNAMICMAPOVERLAYIMAGE.
+ * @property {number|undefined} metersPerUnit The meters-per-unit value. Default is `1`.
+ * @property {ol.Extent|undefined} extent Extent.
+ * @property {boolean|undefined} useOverlay If `true`, will use
+ *     `GETDYNAMICMAPOVERLAYIMAGE`.
  * @property {ol.proj.ProjectionLike} projection Projection.
- * @property {number|undefined} ratio Ratio. 1 means image requests are the size
- *     of the map viewport, 2 means twice the size of the map viewport, and so
- *     on.
+ * @property {number|undefined} ratio Ratio. `1` means image requests are the size
+ *     of the map viewport, `2` means twice the size of the map viewport, and so
+ *     on. Default is `1`.
  * @property {Array.<number>|undefined} resolutions Resolutions. If specified,
  *     requests will be made for these resolutions only.
  * @property {Object|undefined} params Additional parameters.
@@ -687,9 +688,9 @@
  *     `1.3.0` by default. `WIDTH`, `HEIGHT`, `BBOX` and `CRS` (`SRS` for WMS
  *     version < 1.3.0) will be set dynamically.
  * @property {ol.proj.ProjectionLike} projection Projection.
- * @property {number|undefined} ratio Ratio. 1 means image requests are the size
- *     of the map viewport, 2 means twice the size of the map viewport, and so
- *     on.
+ * @property {number|undefined} ratio Ratio. `1` means image requests are the size
+ *     of the map viewport, `2` means twice the size of the map viewport, and so
+ *     on. Default is `1.5`.
  * @property {Array.<number>|undefined} resolutions Resolutions. If specified,
  *     requests will be made for these resolutions only.
  * @property {string|undefined} url WMS service URL.