Card: drop an unverified claim

README.md

@@ -157,7 +157,7 @@ Differences smaller than these are noise. This checkpoint is seed 1, which was f
   - Strong keywords in the text can outweigh the option descriptions.
 - **Claim-form relevance is slightly below the previous checkpoint:** he_bench 0.78 against 0.80, and BEIR-he 0.78 against 0.82.
 - **Scales:** sentiment and tone are about 0.45 accuracy, and the tone probabilities are overconfident (valence Brier
-  0.53). The lowest level of a scale is under-used.
+  0.53).
 - **Calculated fields steer less than in the previous checkpoint.** On 8 test emails, a "direct manager" sender field
   raised importance by 0.11 of a level, against 0.22 before, and a "mailing list" field lowered it in only 2 of 8.
 - **Calibration does not catch everything.** The failures above are often high-confidence, so a confidence threshold
@@ -165,8 +165,8 @@ Differences smaller than these are noise. This checkpoint is seed 1, which was f
 
 ## Training data
 
-The training start was an earlier checkpoint of this project, trained on the same public data and on the same
-encoder. The run was one epoch over 396,508 items (6,196 updates, 1.4 A100 hours). The learning rates were 5e-6 for the
+The training start was an earlier checkpoint of this project, with the same encoder, trained on part of the public
+data below. The run was one epoch over 396,508 items (6,196 updates, 1.4 A100 hours). The learning rates were 5e-6 for the
 encoder and 1e-4 for the head. Every case was converted to Laya's format, with a random subset of options, paraphrased
 instructions and varied field names.