Sync docs: Text/Labels/ENVVARS -> EXTENDING re: fonts

docs/es_ES.UTF-8/html/README.html

@@ -102,7 +102,7 @@
           </p>
 
           <p>
-            mayo 26, 2025          </p>
+            junio  8, 2025          </p>
         </center>
       </header>
       <table border="2"
@@ -813,6 +813,9 @@
   <p>
     Choose a font (from the 'Letters' available on the right) and a color (from the color palette near the bottom). You may also apply a bold, and/or an italic styling effect to the text. Click on the screen and a cursor will appear. Type text and it will show up on the screen. (You can change the font, color, and styling while entering the text, before it is applied to the canvas.)  </p>
 
+  <p class="note">
+    <span title="Configuration option">&#9881;</span>    See the "<a href="EXTENDING.html"><em>Extending Tux Paint</em></a>" documentation for information on where Tux Paint searches for fonts.  </p>
+
   <p>
     Press <b><code>[Enter]</code></b> or <b><code>[Return]</code></b> and the text will be drawn onto the picture and the cursor will move down one line.  </p>