From acad019ab7bb9c010f696888c0548586493e1d56 Mon Sep 17 00:00:00 2001
From: Jah-yee <166608075+Jah-yee@users.noreply.github.com>
Date: Thu, 29 Oct 2026 21:59:51 +0800
Subject: [PATCH] fix(typo): correct 'paramters' typo in compiler completion
 label and http-server-js doc comment

---
 .../fix-paramters-typo-compiler-2026-10-29-13-55-0.md      | 7 +++++++
 ...fix-paramters-typo-http-server-js-2026-10-29-13-55-0.md | 7 +++++++
 packages/compiler/src/server/tspconfig/completion.ts       | 2 +-
 packages/http-server-js/src/util/differentiate.ts          | 2 +-
 4 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 .chronus/changes/fix-paramters-typo-compiler-2026-10-29-13-55-0.md
 create mode 100644 .chronus/changes/fix-paramters-typo-http-server-js-2026-10-29-13-55-0.md

diff --git a/.chronus/changes/fix-paramters-typo-compiler-2026-10-29-13-55-0.md b/.chronus/changes/fix-paramters-typo-compiler-2026-10-29-13-55-0.md
new file mode 100644
index 00000000000..f6b60b80b06
--- /dev/null
+++ b/.chronus/changes/fix-paramters-typo-compiler-2026-10-29-13-55-0.md
@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@typespec/compiler"
+---
+
+Correct the "paramters" typo in the `tspconfig` completion label for custom variables.
diff --git a/.chronus/changes/fix-paramters-typo-http-server-js-2026-10-29-13-55-0.md b/.chronus/changes/fix-paramters-typo-http-server-js-2026-10-29-13-55-0.md
new file mode 100644
index 00000000000..4a3f6f6d8c8
--- /dev/null
+++ b/.chronus/changes/fix-paramters-typo-http-server-js-2026-10-29-13-55-0.md
@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-server-js"
+---
+
+Correct the "paramters" typo in the `DifferentiateModelOptions` doc comment.
diff --git a/packages/compiler/src/server/tspconfig/completion.ts b/packages/compiler/src/server/tspconfig/completion.ts
index 6b2a75e81c9..acceb75c879 100644
--- a/packages/compiler/src/server/tspconfig/completion.ts
+++ b/packages/compiler/src/server/tspconfig/completion.ts
@@ -493,7 +493,7 @@ function resolveVariableInterpolationCompleteItems(
   } else if (/{[^}]*$/.test(curText)) {
     // parameters and built-in variables
     const result = [
-      ...getVariableCompletionItem(yamlDocNodes, "parameters", "Custom paramters variables"),
+      ...getVariableCompletionItem(yamlDocNodes, "parameters", "Custom parameters variables"),
       ...["cwd", "project-root"].map((value) => {
         const item: CompletionItem = {
           label: value,
diff --git a/packages/http-server-js/src/util/differentiate.ts b/packages/http-server-js/src/util/differentiate.ts
index f194e7865e6..88d0ecc28ee 100644
--- a/packages/http-server-js/src/util/differentiate.ts
+++ b/packages/http-server-js/src/util/differentiate.ts
@@ -606,7 +606,7 @@ function overlaps(range: IntegerRange, other: IntegerRange): boolean {
 }
 
 /**
- * Optional paramters for model differentiation.
+ * Optional parameters for model differentiation.
  */
 interface DifferentiateModelOptions {
   /**