diff --git a/README.md b/README.md
index 5939984..18ba38c 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Available values for *`BOOK_SLUG`*:
   - `srw_book` The Site Reliability Workbook.
 
 ```
-$ docker run --rm --volume "$(pwd):/output" -e BOOK_SLUG='sre_book' captn3m0/google-sre-ebook:latest
+$ docker run --rm --volume "$(pwd):/output" -e BOOK_SLUG='srw_book' captn3m0/google-sre-ebook:latest
 ```
 
 -   You should see the final EPUB/MOBI/PDF files in the `output` directory after the above runs.
@@ -36,7 +36,7 @@ $ docker run --rm --volume "$(pwd):/output" -e BOOK_SLUG='sre_book' captn3m0/goo
 ```
 $ mkdir /tmp/sreoutput
 $ chcon -Rt svirt_sandbox_file_t /tmp/sreoutput
-$ docker run --rm --volume "/tmp/sreoutput:/output" -e BOOK_SLUG='sre_book' captn3m0/google-sre-ebook:latest
+$ docker run --rm --volume "/tmp/sreoutput:/output" -e BOOK_SLUG='srw_book' captn3m0/google-sre-ebook:latest
 ```
 
 The build for the above Docker image can be audited at <https://cloud.docker.com/swarm/captn3m0/repository/docker/captn3m0/google-sre-ebook/builds>.