diff --git a/docs/src/docs/asciidoc/getting-started.adoc b/docs/src/docs/asciidoc/getting-started.adoc
index a282bf46..d70a78ce 100644
--- a/docs/src/docs/asciidoc/getting-started.adoc
+++ b/docs/src/docs/asciidoc/getting-started.adoc
@@ -145,7 +145,7 @@ the configuration are described below.
 	will automatically configure the `snippets` attribute for use in your `.adoc` files to
 	point to `target/generated-snippets`.
 
-[source,groovy,indent=0,subs="verbatim,attributes",role="secondary"]
+[source,indent=0,subs="verbatim,attributes",role="secondary"]
 .Gradle
 ----
 	plugins { <1>
@@ -236,7 +236,7 @@ Asciidoctor plugin to ensure that the documentation is generated before it's cop
 <3> Copy the generated documentation into the build output's `static/docs` directory,
 from where it will be included in the jar file.
 
-[source,groovy,indent=0,role="secondary"]
+[source,indent=0,role="secondary"]
 .Gradle
 ----
 	jar {
diff --git a/docs/src/docs/asciidoc/working-with-asciidoctor.adoc b/docs/src/docs/asciidoc/working-with-asciidoctor.adoc
index 283afcdf..008ab6f9 100644
--- a/docs/src/docs/asciidoc/working-with-asciidoctor.adoc
+++ b/docs/src/docs/asciidoc/working-with-asciidoctor.adoc
@@ -23,7 +23,7 @@ attribute that is automatically set by `spring-restdocs-asciidoctor` configured
 <<getting-started-build-configuration, build configuration>> can be used to reference the
 snippets output directory. For example:
 
-[source,adoc,indent=0]
+[source,indent=0]
 ----
 \include::{snippets}/index/curl-request.adoc[]
 ----
@@ -46,7 +46,7 @@ Asciidoctor has rich support for
 http://asciidoctor.org/docs/user-manual/#cols-format[formatting a table's columns]. For
 example, the widths of a table's columns can be specified using the `cols` attribute:
 
-[source,adoc,indent=0]
+[source,indent=0]
 ----
 [cols=1,3] <1>
 \include::{snippets}/index/links.adoc[]
@@ -61,7 +61,7 @@ three times as wide as the first.
 
 The title of a table can be specified using a line prefixed by a `.`:
 
-[source,adoc,indent=0]
+[source,indent=0]
 ----
 .Links <1>
 \include::{snippets}/index/links.adoc[]