[css-color-hdr] Remove mention of SMPTE-ST-2094-50 as justification for eps #12873 #11788

Author: svgeesus

css-color-hdr-1/Overview.bs

@@ -652,8 +652,7 @@ Mixing Dynamic Range Limits: the ''dynamic-range-limit-mix()'' function {#dynami
 		Let <var>cxyz</var>[i] = pow(<var>c1xyz</var>[i] + <var>eps</var>, <var>w1</var> ) * pow(<var>c2xyz</var>[i] + <var>eps</var>, <var>w2</var> ) - <var>eps</var>
 
 	Note: The factor <var>eps</var> is to prevent division by zero,
-	and the value is chosen to match that used in
-	[[SMPTE-ST-2094-50]].
+	and is particularly important when interpolating with SDR colors near to black.
 
 
 	<div class="example" id="ex-hdr-interpolate">