diff --git a/README.md b/README.md
index 5fe969e..9929f66 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,42 @@ The only required input is `project-name`.
    The location (in this repository) of the [buildspec file][codebuild buildspec]
    that CodeBuild requires.
    By default, the action uses the buildspec file location
-   that you configured in the CodeBuild project.
+   that you configured in the CodeBuild project. 
+  
+   Alternatively, you can pass in an inline buildspec definition like so:
+
+   ```
+   - name: Run CodeBuild
+     uses: aws-actions/aws-codebuild-run-build@v1
+     with:
+       project-name: my-codebuild-job
+       disable-source-override: true
+       buildspec-override:   |
+         version: 0.2
+         phases:
+           install:
+             runtime-versions:
+               nodejs: 16
+             commands:
+               - npm install -g typescript
+               - npm install
+           pre_build:
+             commands:
+               - echo Installing source NPM dependencies...
+           build:
+             commands:
+               - echo Build started on `date`
+               - tsc
+               - npm prune --production
+             post_build:
+               commands:
+                 - echo Build completed on `date`  
+         artifacts:
+           type: zip
+           files:
+             - package.json
+             - package-lock.json
+   ```
 1. **compute-type-override** (optional) :
    The name of a compute type for this build that overrides the one specified
    in the build project.
@@ -201,7 +236,7 @@ this will overwrite them.
   uses: aws-actions/aws-codebuild-run-build@v1
   with:
     project-name: CodeBuildProjectName
-    buildspec-override: path/to/buildspec.yaml
+    buildspec-override: path/to/buildspec.yaml or inline buildspec definition
     compute-type-override: compute-type
     environment-type-override: environment-type
     image-override: ecr-image-uri