diff --git a/lib/convert-worker.js b/lib/convert-worker.js
index b7904bf..1e3558b 100644
--- a/lib/convert-worker.js
+++ b/lib/convert-worker.js
@@ -471,7 +471,7 @@ function fixCapitalization(xml, book) {
   // This occurs enough times it's better to do here than in one-off fixes. We correct the single instance where
   // it's incorrect to capitalize in the one-off fixes.
   // Note that Ward contains much talk of "the clairvoyants", so we don't want to capitalize plurals.
-  xml = xml.replace(/([Tt])he clairvoyant([^s])/g, "$1he Clairvoyant$2");
+  xml = xml.replace(/([Tt])he clairvoyant(?!s)/g, "$1he Clairvoyant");
 
   // ReSound's name is sometimes miscapitalized. The word is never used in a non-name context.
   xml = xml.replace(/Resound/g, "ReSound");
@@ -518,6 +518,11 @@ function fixCapitalization(xml, book) {
   xml = xml.replace(/Radiata/g, "radiata");
   xml = xml.replace(/Gemma/g, "gemma");
 
+  // We de-capitalize Valkyrie's "flock", since most uses are de-capitalized (e.g. the many instances in Gleaming
+  // Interlude 9, or Dying 15.z). This is a bit surprising; it seems like an organization name. But I guess it's
+  // informal.
+  xml = xml.replace(/(?<! {2}|“)Flock/g, "flock");
+
   // Especially early in Worm, PRT designations are capitalized; they should not be. This fixes the cases where we
   // can be reasonably sure they don't start a sentence, although more specific instances are done in
   // substitutions.json, and some need to be back-corrected.