make metrics more clear

index.html

@@ -366,7 +366,8 @@ <h3 class="title is-4">Evaluating and Comparing Policies</h3>
                 <div class="content has-text-justified">
                   <p>
                     SIMPLER can be used to evaluate four types of high level tasks, with many intra-task variations, for each of two robot embodiments (Google Robot and WidowX).
-                    It can also be used to compare the performance of different policies and perform checkpoint selection.
+                    It can also be used to compare the performance of different policies and perform checkpoint selection. Policy performances evaluated in SIMPLER have strong
+                    correlation with those in the real world (illustrated by high MMRV and low Pearson r).
                   </p>
                 </div>
                 <div class="columns is-vcentered interpolation-panel">
@@ -426,7 +427,7 @@ <h3 class="title is-4">Analyzing and Predicting Policy Behaviors under Distribut
                 <div class="content has-text-justified">
                   <p>
                     SIMPLER can be used to analyze the policies' finegrained behaviors, such as their robustness to common distribution shifts like lightings, backgrounds, camera poses, 
-                    distractor objects, and table textures. The findings from SIMPLER are highly correlated with those in the real-world.
+                    distractor objects, and table textures. The findings from SIMPLER are highly correlated with those in the real-world (illustrated by high MMRV and low Pearson r).
                     Additionally, SIMPLER can predict policy behaviors under novel distribution shifts, such as changes in arm textures.
                   </p>
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