diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7ef1eb..af857a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ All notable changes to the "claude-dev" extension will be documented in this fil
 
 ## [1.5.4]
 
-- Adds support for reading PDF and DOCX files (try "turn my business_plan.docx into a company website")
+- Adds support for reading .pdf and .docx files (try "turn my business_plan.docx into a company website")
 
 ## [1.5.0]
 
diff --git a/webview-ui/src/components/Announcement.tsx b/webview-ui/src/components/Announcement.tsx
index 41f7283..cb8379e 100644
--- a/webview-ui/src/components/Announcement.tsx
+++ b/webview-ui/src/components/Announcement.tsx
@@ -31,7 +31,7 @@ const Announcement = ({ version, hideAnnouncement, apiConfiguration, vscodeUriSc
 			</h3>
 			<ul style={{ margin: "0 0 8px", paddingLeft: "12px" }}>
 				<li>
-					Adds support for reading PDF and DOCX files (try "turn my business_plan.docx into a company
+					Adds support for reading .pdf and .docx files (try "turn my business_plan.docx into a company
 					website")
 				</li>
 				<li>