Card: clarify how many proteins the protein-level part keeps

README.md

@@ -137,8 +137,7 @@ describes in full, until the total reached 10,000 residues. Chains are whole, so
 be resampled by chain: residues within a chain are correlated, and resampling them
 independently understates the spread.
 
-The protein-level part keeps every one of the 4,898 domains that all nine arms describe in full:
-4,894. Each vector is the mean over the protein's residues, in float32, stored as float16 — the
+The protein-level part keeps the 4,894 of the 4,898 domains that all nine arms describe in full. Each vector is the mean over the protein's residues, in float32, stored as float16 — the
 pooling the parent study's protein-level probes use.
 
 ## Reference scores