diff --git a/core-dropdown.html b/core-dropdown.html
index d05c1b9..169d58c 100644
--- a/core-dropdown.html
+++ b/core-dropdown.html
@@ -106,9 +106,9 @@
// 1) document.client[Width|Height] always reliable when available, including Safari2
// 2) document.documentElement.client[Width|Height] reliable in standards mode DOCTYPE, except for Safari2, Opera<9.5
// 3) document.body.client[Width|Height] is gives correct result when #2 does not, except for Safari2
- // 4) When document.documentElement.client[Width|Height] is unreliable, it will be size of element either greater or less than desired view size
+ // 4) When document.documentElement.client[Width|Height] is unreliable, it will be size of html element either greater or less than desired view size
// https://bugzilla.mozilla.org/show_bug.cgi?id=156388#c7
- // 5) When document.body.client[Width|Height] is unreliable, it will be size of element less than desired view size
+ // 5) When document.body.client[Width|Height] is unreliable, it will be size of body element less than desired view size
function viewSize() {
// This algorithm avoids creating test page to determine if document.documentElement.client[Width|Height] is greater then view size,
// will succeed where such test page wouldn't detect dynamic unreliability,