Add documentation comments

1 files changed, 2 insertions, 0 deletions

diff --git a/src/wait_element.ts b/src/wait_element.ts
index 115efb1..7fd2b56 100644
--- a/src/wait_element.ts
+++ b/src/wait_element.ts
@@ -18,6 +18,8 @@
 import logger from './logger';
 
 
+// Wait for the element corresponding to `selector` to be added to the page,
+// checking every second until it appears.
 export default function wait_element (selector: string): Promise<Element> {
 	return new Promise(function(resolve) {
 		const interval = setInterval(