diff --git a/README.md b/README.md
index 632944e..4de16b3 100644
--- a/README.md
+++ b/README.md
@@ -167,7 +167,7 @@ While it may work against different implementations, there are no guarantees abo
 
 We decided to publish this image as a simpler and more lightweight alternative because of the following requirements:
 
-- The original image is based on `ubuntu` and requires additional tools, making it heavy.
+- The original image is based on `Alpine` and requires additional tools, making it heavy.
 - This image is written in Go.
 - `arm64` and `arm/v7` architectures are supported.
 - Docker in Swarm mode is supported.
diff --git a/docs/index.md b/docs/index.md
index 9ddeb80..b5a5e46 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -158,7 +158,7 @@ While it may work against different implementations, there are no guarantees abo
 
 We decided to publish this image as a simpler and more lightweight alternative because of the following requirements:
 
-- The original image is based on `ubuntu` and requires additional tools, making it heavy.
+- The original image is based on `Alpine` and requires additional tools, making it heavy.
 - This image is written in Go.
 - `arm64` and `arm/v7` architectures are supported.
 - Docker in Swarm mode is supported.