Update index.html

Author: JCinnamon

index.html

@@ -684,7 +684,7 @@ <h3>Image Colour Visualizer</h3>
 
         <a href="https://github.com/JCinnamon/earth-colours-mapper" class="tool-card">
           <div class="tool-icon">🗺️</div>
-          <h3>Earth Colours - a Map &amp;and Palette Generator</h3>
+          <h3>Earth Colours - an Interactive Map + Palette Generator</h3>
           <p>Explore the geographies of colour and generate Earth colour palettes for mapping and graphic design.</p>
           <span class="tool-arrow">Open tool &rarr;</span>
         </a>