diff --git a/.vale.ini b/.vale.ini
index 922a5e0..7c4c6e6 100644
--- a/.vale.ini
+++ b/.vale.ini
@@ -31,4 +31,5 @@ Datadog.spaces = YES
 Datadog.tense = YES
 Datadog.words = YES
 Datadog.quotes = YES
-Datadog.aws = YES
\ No newline at end of file
+Datadog.aws = YES
+Datadog.listpunctuation = YES
\ No newline at end of file
diff --git a/styles/Datadog/listpunctuation.yml b/styles/Datadog/listpunctuation.yml
new file mode 100644
index 0000000..bcdd573
--- /dev/null
+++ b/styles/Datadog/listpunctuation.yml
@@ -0,0 +1,11 @@
+extends: existence
+message: "List items should have consistent punctuation."
+link: "https://github.com/DataDog/documentation/blob/master/CONTRIBUTING.md#lists"
+level: warning
+scope: raw
+ignorecase: true
+tokens:
+  # Match bulleted list items starting with -
+  - '^\s*-\s+.*$'
+  # Match numbered list items
+  - '^\s*\d+\.\s+.*$'
\ No newline at end of file