Reword a confusing comment
Bug: 7005645
Change-Id: Ifd942b3ce242aeeec512e132e1cee31329e994b1
diff --git a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
index 2c3eee7..2fe91de 100644
--- a/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
+++ b/java/src/com/android/inputmethod/latin/makedict/BinaryDictInputOutput.java
@@ -783,10 +783,10 @@
// their lower bound and exclude their higher bound so we need to have the first step
// start at exactly 1 unit higher than floor(unigramFreq + half a step).
// Note : to reconstruct the score, the dictionary reader will need to divide
- // MAX_TERMINAL_FREQUENCY - unigramFreq by 16.5 likewise, and add
- // (discretizedFrequency + 0.5) times this value to get the median value of the step,
- // which is the best approximation. This is how we get the most precise result with
- // only four bits.
+ // MAX_TERMINAL_FREQUENCY - unigramFreq by 16.5 likewise to get the value of the step,
+ // and add (discretizedFrequency + 0.5 + 0.5) times this value to get the best
+ // approximation. (0.5 to get the first step start, and 0.5 to get the middle of the
+ // step pointed by the discretized frequency.
final float stepSize =
(MAX_TERMINAL_FREQUENCY - unigramFrequency) / (1.5f + MAX_BIGRAM_FREQUENCY);
final float firstStepStart = 1 + unigramFrequency + (stepSize / 2.0f);