diff --git a/index.html b/index.html
index 1457e09..7e8df39 100644
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+++ b/index.html
@@ -711,6 +711,12 @@ <h2 id="3Defsandabbrevs">Terms, definitions, and abbreviated terms</h2>
       <dd>vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a
       phosphorescent screen.</dd>
 
+      <dt>Electro-Optical Transfer Function</dt>
+      <dt>
+        <abbr title="Electro-Optical Transfer Function">EOTF</abbr>
+      </dt>
+      <dd>The <a>transfer function</a> between the electrical or digital domain and light energy. It defines the amount of light emitted by a display for a given input signal.</dd>
+
       <!-- Maintain a fragment named "3LSB" to preserve incoming links to it -->
       <dt id="3LSB">Least Significant Byte</dt>
       <dt><abbr title="Least Significant Byte">LSB</abbr></dt>
@@ -724,6 +730,12 @@ <h2 id="3Defsandabbrevs">Terms, definitions, and abbreviated terms</h2>
       <dd>
         Most significant byte of a multi-<a>byte</a> value.
       </dd>
+
+      <dt>Opto-Electrical Transfer Function</dt>
+      <dt>
+        <abbr title="Opto-Electrical Transfer Function">OETF</abbr>
+      </dt>
+      <dd>The <a>transfer function</a> between light energy and the electrical or digital domain. It defines the amount of light in a scene required to produce a given output signal.</dd>
     </dl>
   </section>
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@@ -3730,7 +3742,7 @@ <h2><span class="chunk">cICP</span> Coding-independent code points for video sig
           <p>If <code>Video Full Range Flag</code> is <code>0</code>
             (a <a>narrow-range image</a>), recommended practice 
             is to define transfer functions 
-            such as EOTF or inverse OETF 
+            such as <a>EOTF</a> or inverse <a>OETF</a> 
             over the extended range, 
             so as to include negative values.
             This is done as follows: