diff --git a/.gitignore b/.gitignore
index fd8f9a62..05a19cb8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /package.json
 /package-lock.json
 .vscode/
+.DS_Store
diff --git a/content/post/postgres/.DS_Store b/content/post/postgres/.DS_Store
deleted file mode 100644
index 09ae8f84..00000000
Binary files a/content/post/postgres/.DS_Store and /dev/null differ
diff --git a/content/post/postgres/extension-ecosystem-summit-2024/index.md b/content/post/postgres/extension-ecosystem-summit-2024/index.md
index 6e7e2f11..ff0be572 100644
--- a/content/post/postgres/extension-ecosystem-summit-2024/index.md
+++ b/content/post/postgres/extension-ecosystem-summit-2024/index.md
@@ -20,7 +20,7 @@ image:
 The PostgreSQL [Extension Ecosystem Summit] took place at PGConf.dev in
 Vancouver on May 28, 2024 and it was great! Around 35 extension developers,
 users, and fans gathered for an [open-space technology] (OST)-style
-unconference. I opened with a brief presentation ([slides]) to introduce the
+[unconference]. I opened with a brief presentation ([slides]) to introduce the
 Summit Theme:
 
 > *   Extension issues, designs and features
@@ -35,7 +35,7 @@ Summit Theme:
 > *   Inform the PGXN v2 project
 
 Before the Summit my co-organizers and I had put up large sticky notes with
-potential topics, and after reviewing the four principles and one law of
+potential topics, and after reviewing the [four principles] and one law of
 [OST], we collectively looked them over and various people offered to lead
 discussions. Others volunteered to take notes and later published them on the
 [community wiki]. Here's our report.
@@ -197,8 +197,11 @@ Join the [#extensions] channel on the [Postgres Slack] with your ideas!
   [PGConf.dev]: https://2024.pgconf.dev "PostgreSQL Development Conference 2024"
   [open-space technology]: https://en.wikipedia.org/wiki/Open_space_technology
     "Wikipedia: Open space technology"
+  [unconference]: https://en.wikipedia.org/wiki/Unconference "Wikipedia: Unconference"
   [slides]: {{% link "/shared/extension-ecosystem-summit/extension-summit-2024.pdf" %}}
     "🏔 PostgreSQL Extension Summit: An Unconference"
+  [four principles]: https://www.facilitator.school/blog/open-space-technology#open-space-technology-principles
+    "Open Space Technology Principles"
   [community wiki]: https://wiki.postgresql.org/wiki/PGConf.dev_2024_Extension_Summit
     "PostgreSQL Wiki: PGConf.dev 2024 Extension Summit"
   [metadata-notes]: https://wiki.postgresql.org/wiki/PGConf.dev_2024_Extension_Summit#Extension_Metadata