diff --git a/.changeset/fix-pglite-socket-maxconn-jsdoc.md b/.changeset/fix-pglite-socket-maxconn-jsdoc.md
new file mode 100644
index 000000000..16ec6e627
--- /dev/null
+++ b/.changeset/fix-pglite-socket-maxconn-jsdoc.md
@@ -0,0 +1,5 @@
+---
+'@electric-sql/pglite-socket': patch
+---
+
+Fix `PGLiteSocketServer` `maxConnections` JSDoc default — the constructor defaults to `1` (matching the CLI default and help text); only the JSDoc claimed `100`.
diff --git a/packages/pglite-socket/src/index.ts b/packages/pglite-socket/src/index.ts
index 572b9cfa7..8dfd4ce01 100644
--- a/packages/pglite-socket/src/index.ts
+++ b/packages/pglite-socket/src/index.ts
@@ -530,7 +530,7 @@ export interface PGLiteSocketServerOptions {
   debug?: boolean
   /** Idle timeout in ms (0 to disable, default: 0) */
   idleTimeout?: number
-  /** Maximum concurrent connections (default: 100) */
+  /** Maximum concurrent connections (default: 1) */
   maxConnections?: number
 }