diff --git a/build/vega-lite-schema.json b/build/vega-lite-schema.json
index c99b9e876e..3e386d39eb 100644
--- a/build/vega-lite-schema.json
+++ b/build/vega-lite-schema.json
@@ -8446,7 +8446,7 @@
         },
         "extent": {
           "$ref": "#/definitions/ErrorBarExtent",
-          "description": "The extent of the band. Available options include:\n- `\"ci\"`: Extend the band to the confidence interval of the mean.\n- `\"stderr\"`: The size of band are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of band are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the band to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
+          "description": "The extent of the band. Available options include:\n- `\"ci\"`: Extend the band to the 95% bootstrapped confidence interval of the mean.\n- `\"stderr\"`: The size of band are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of band are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the band to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
         },
         "interpolate": {
           "$ref": "#/definitions/Interpolate",
@@ -8504,7 +8504,7 @@
         },
         "extent": {
           "$ref": "#/definitions/ErrorBarExtent",
-          "description": "The extent of the band. Available options include:\n- `\"ci\"`: Extend the band to the confidence interval of the mean.\n- `\"stderr\"`: The size of band are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of band are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the band to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
+          "description": "The extent of the band. Available options include:\n- `\"ci\"`: Extend the band to the 95% bootstrapped confidence interval of the mean.\n- `\"stderr\"`: The size of band are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of band are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the band to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
         },
         "interpolate": {
           "$ref": "#/definitions/Interpolate",
@@ -8545,7 +8545,7 @@
       "properties": {
         "extent": {
           "$ref": "#/definitions/ErrorBarExtent",
-          "description": "The extent of the rule. Available options include:\n- `\"ci\"`: Extend the rule to the confidence interval of the mean.\n- `\"stderr\"`: The size of rule are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of rule are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the rule to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
+          "description": "The extent of the rule. Available options include:\n- `\"ci\"`: Extend the rule to the 95% bootstrapped confidence interval of the mean.\n- `\"stderr\"`: The size of rule are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of rule are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the rule to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
         },
         "rule": {
           "anyOf": [
@@ -8601,7 +8601,7 @@
         },
         "extent": {
           "$ref": "#/definitions/ErrorBarExtent",
-          "description": "The extent of the rule. Available options include:\n- `\"ci\"`: Extend the rule to the confidence interval of the mean.\n- `\"stderr\"`: The size of rule are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of rule are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the rule to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
+          "description": "The extent of the rule. Available options include:\n- `\"ci\"`: Extend the rule to the 95% bootstrapped confidence interval of the mean.\n- `\"stderr\"`: The size of rule are set to the value of standard error, extending from the mean.\n- `\"stdev\"`: The size of rule are set to the value of standard deviation, extending from the mean.\n- `\"iqr\"`: Extend the rule to the q1 and q3.\n\n__Default value:__ `\"stderr\"`."
         },
         "opacity": {
           "description": "The opacity (value between [0,1]) of the mark.",
diff --git a/src/compositemark/errorband.ts b/src/compositemark/errorband.ts
index 35924d6ad5..3d3c1e2d72 100644
--- a/src/compositemark/errorband.ts
+++ b/src/compositemark/errorband.ts
@@ -37,7 +37,7 @@ export interface ErrorBandConfig extends ErrorBandPartsMixins {
 
   /**
    * The extent of the band. Available options include:
-   * - `"ci"`: Extend the band to the confidence interval of the mean.
+   * - `"ci"`: Extend the band to the 95% bootstrapped confidence interval of the mean.
    * - `"stderr"`: The size of band are set to the value of standard error, extending from the mean.
    * - `"stdev"`: The size of band are set to the value of standard deviation, extending from the mean.
    * - `"iqr"`: Extend the band to the q1 and q3.
diff --git a/src/compositemark/errorbar.ts b/src/compositemark/errorbar.ts
index 537fa09173..f72a1f32d8 100644
--- a/src/compositemark/errorbar.ts
+++ b/src/compositemark/errorbar.ts
@@ -96,7 +96,7 @@ export interface ErrorBarConfig extends ErrorBarPartsMixins {
 
   /**
    * The extent of the rule. Available options include:
-   * - `"ci"`: Extend the rule to the confidence interval of the mean.
+   * - `"ci"`: Extend the rule to the 95% bootstrapped confidence interval of the mean.
    * - `"stderr"`: The size of rule are set to the value of standard error, extending from the mean.
    * - `"stdev"`: The size of rule are set to the value of standard deviation, extending from the mean.
    * - `"iqr"`: Extend the rule to the q1 and q3.