diff --git a/plugins/docker/readme.md b/plugins/docker/readme.md
index e0cbc4498..eb6f36f77 100644
--- a/plugins/docker/readme.md
+++ b/plugins/docker/readme.md
@@ -24,11 +24,11 @@ plugins:
 Run `docker build` to create Docker images.
 #### Task options
 
-| Property    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Type                                                                                                                            | Default |
-| :---------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | :------------------------------------------------------------------------------------------------------------------------------ | :------ |
-| `ssh`       | whether to forward host's SSH agent, see https://docs.docker.com/reference/cli/docker/buildx/build/#ssh                                                                                                                                                                                                                                                                                                                                                                                                                         | `boolean`                                                                                                                       | `false` |
-| `buildArgs` | An object of Docker [build variables](https://docs.docker.com/build/building/variables/) to include when building the image. To use values from Tool Kit's environment (since we usually build Docker images on CircleCI, this would be the CI environment), you can use the `!toolkit/env` tag, e.g. `buildArgs: { GIT_COMMIT: !toolkit/env "GIT_COMMIT" }`                                                                                                                                                                    | `Record<string, string>`                                                                                                        | `{}`    |
-| `secrets`   | <br />          An array of Docker [secrets](https://docs.docker.com/build/building/secrets/) to include when building the image.<br />          Each item in the array will add `--secret id=[id],source=[source]` to the docker build script. Docker can embed<br />          secret environment variables such as `NPM_TOKEN` (type: env) and secret files such as `.npmrc` (type: file)`.<br />          You can also include a secret environment variable by adding an item with just the environment name.<br />         | `Array<string _or_ _Object with properties:_<ul><li>id: string</li><li>type: 'file' \| 'env'</li><li>source: string</li></ul>>` | `[]`    |
+| Property    | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Type                                                                                                                         | Default |
+| :---------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | :--------------------------------------------------------------------------------------------------------------------------- | :------ |
+| `ssh`       | whether to forward host's SSH agent, see https://docs.docker.com/reference/cli/docker/buildx/build/#ssh                                                                                                                                                                                                                                                                                                                                                                                                                   | `boolean`                                                                                                                    | `false` |
+| `buildArgs` | An object of Docker [build variables](https://docs.docker.com/build/building/variables/) to include when building the image. To use values from Tool Kit's environment (since we usually build Docker images on CircleCI, this would be the CI environment), you can use the `!toolkit/env` tag, e.g. `buildArgs: { GIT_COMMIT: !toolkit/env "GIT_COMMIT" }`                                                                                                                                                              | `Record<string, string>`                                                                                                     | `{}`    |
+| `secrets`   | <br />          An array of Docker [secrets](https://docs.docker.com/build/building/secrets/) to include when building the image.<br />          Each item in the array will add `--secret id=[id],src=[src]` to the docker build script. Docker can embed<br />          secret environment variables such as `NPM_TOKEN` (type: env) and secret files such as `.npmrc` (type: file)`.<br />          You can also include a secret environment variable by adding an item with just the environment name.<br />         | `Array<string _or_ _Object with properties:_<ul><li>id: string</li><li>type: 'file' \| 'env'</li><li>src: string</li></ul>>` | `[]`    |
 
 _All properties are optional._
 
diff --git a/plugins/docker/src/tasks/build.ts b/plugins/docker/src/tasks/build.ts
index c4579b45f..d04c1b65c 100644
--- a/plugins/docker/src/tasks/build.ts
+++ b/plugins/docker/src/tasks/build.ts
@@ -30,7 +30,7 @@ const DockerBuildSchema = z
           z.object({
             id: z.string(),
             type: z.union([z.literal('file'), z.literal('env')]).optional(),
-            source: z.string().optional()
+            src: z.string().optional()
           })
         ])
       )
@@ -38,7 +38,7 @@ const DockerBuildSchema = z
       .describe(
         `
           An array of Docker [secrets](https://docs.docker.com/build/building/secrets/) to include when building the image.
-          Each item in the array will add \`--secret id=[id],source=[source]\` to the docker build script. Docker can embed
+          Each item in the array will add \`--secret id=[id],src=[src]\` to the docker build script. Docker can embed
           secret environment variables such as \`NPM_TOKEN\` (type: env) and secret files such as \`.npmrc\` (type: file)\`.
           You can also include a secret environment variable by adding an item with just the environment name.
         `