diff --git a/src/css/dyna-rules.css b/src/css/dyna-rules.css
index 00686b11e..b943b9ea8 100644
--- a/src/css/dyna-rules.css
+++ b/src/css/dyna-rules.css
@@ -150,8 +150,10 @@ body[dir="rtl"] #commitButton:before {
     position: absolute;
     resize: none;
     visibility: hidden;
-    white-space: pre; /* this imples nowrap; break only on \n and <br>
-                        and nowrap doesn't always respect \n's (example: Safari). */
+    white-space: pre; /* this imples nowrap; break only on \n and <br>.
+                         nowrap doesn't consistently
+                        respect \n's (example: Safari) per the CSS spec:
+                        http://www.w3.org/wiki/CSS/Properties/white-space */
     width: 100%;
     }
 #diff.edit textarea {