doc: edit colorMode information

Add information about what it means when colorMode is set to false.

PR-URL: #30887
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

doc/api/console.md

@@ -99,8 +99,9 @@ changes:
   * `ignoreErrors` {boolean} Ignore errors when writing to the underlying
     streams. **Default:** `true`.
   * `colorMode` {boolean|string} Set color support for this `Console` instance.
-    Setting to `true` enables coloring while inspecting values, setting to
-    `'auto'` will make color support depend on the value of the `isTTY` property
+    Setting to `true` enables coloring while inspecting values. Setting to
+    `false` disables coloring while inspecting values. Setting to
+    `'auto'` makes color support depend on the value of the `isTTY` property
     and the value returned by `getColorDepth()` on the respective stream. This
     option can not be used, if `inspectOptions.colors` is set as well.
     **Default:** `'auto'`.