Fix invalid doc link

Pages/Tools/ColorReplacer.razor

@@ -12,7 +12,7 @@
 
 <p class="text-lg">
     Find a given color of text or a path and replace it. This is primarily used to fix color contrast issues.
-    See <a target="_blank" title="Color Replacer" href="https://docs.pdf-accessibility.tools/docs/tools/color/r">Documentation</a> for more information.
+    See <a target="_blank" title="Color Replacer" href="https://docs.pdf-accessibility.tools/docs/tools/color">Documentation</a> for more information.
 </p>
 
 <p class="text-lg mt-4">This tool requires a target and replacement color to be specified. This only applies to paths (shapes) and text. Images, X-Objects, and other elements are not included. Fill is the inner color and stroke is the outer color.</p>