Fix wording in tukey-lambda mode README

Signed-off-by: Shubham <b4mshubham@gmail.com>

Author: shubham220420

lib/node_modules/@stdlib/stats/base/dists/tukey-lambda/mode/README.md

@@ -26,7 +26,7 @@ limitations under the License.
 
 <section class="intro">
 
-The [mode][mode] for a [tukey-lambda][tukey-lambda-distribution] random variable with shape parameter `λ` is
+The [mode][mode] for a [tukey-lambda][tukey-lambda-distribution] distribution with shape parameter `λ` is
 
 <!-- <equation class="equation" label="eq:tukey_lambda_mode" align="center" raw="\operatorname{mode}\left( X \right) = 0" alt="Mode for a tukey-lambda distribution."> -->