docs: clarify monthly rate wording

leaderboard_core.py

@@ -2279,7 +2279,7 @@ def render_html(payload: dict[str, Any]) -> str:
         <div class="method-item">
           <strong>Rates</strong>
           <span class="formula">avg downloads/month = all-time downloads / max(model age, 1 month)</span><br />
-          <span class="formula">likes/month = total likes / max(model age, 1 month)</span>
+          <span class="formula">avg likes/month = total likes / max(model age, 1 month)</span>
         </div>
         <div class="method-item">
           <strong>Coverage</strong>
@@ -2295,7 +2295,7 @@ def render_html(payload: dict[str, Any]) -> str:
         </div>
         <div class="method-item">
           <strong>Download counts</strong>
-          Hugging Face download counts are public, deduplicated counts over tracked model files, meant to approximate model pulls rather than raw requests for every shard. The recent downloads field is a recent-window count; downloadsAllTime is the same style of count over all time. This leaderboard uses downloadsAllTime divided by model age for Avg Downloads / Month, while recent downloads appear only in metric tooltips.
+          Hugging Face download counts are public, deduplicated counts over tracked model files, meant to approximate model pulls rather than raw requests for every split model file. The recent downloads field is a recent-window count; downloadsAllTime is the same style of count over all time. This leaderboard uses downloadsAllTime divided by model age for Avg Downloads / Month, while recent downloads appear only in metric tooltips.
         </div>
       </div>
       <div class="source-links" aria-label="Sources">

tests/test_leaderboard_core.py

@@ -725,11 +725,14 @@ class RenderTests(unittest.TestCase):
         self.assertIn("break-inside: avoid", text)
         self.assertIn("Grouped metrics sum downloads, all-time downloads, and likes across related lineage repos", text)
         self.assertIn("avg downloads/month = all-time downloads / max(model age, 1 month)", text)
-        self.assertIn("likes/month = total likes / max(model age, 1 month)", text)
+        self.assertIn("avg likes/month = total likes / max(model age, 1 month)", text)
+        self.assertNotIn(">likes/month = total likes / max(model age, 1 month)", text)
         self.assertIn("Valid popular artifacts without a safe grouping target stay as standalone rows", text)
         self.assertIn("configured download floor, currently 100K", text)
         self.assertIn("The leaderboard updates daily", text)
         self.assertIn("Hugging Face download counts are public, deduplicated counts over tracked model files", text)
+        self.assertIn("rather than raw requests for every split model file", text)
+        self.assertNotIn("for every shard", text)
         self.assertIn("downloadsAllTime divided by model age for Avg Downloads / Month", text)
         self.assertIn("12.3K/mo", text)
         self.assertIn("456.8/mo", text)