diff --git a/common/web/lm-worker/src/transformUtils.ts b/common/web/lm-worker/src/transformUtils.ts
index 8c82f16b3b..b5aa598b65 100644
--- a/common/web/lm-worker/src/transformUtils.ts
+++ b/common/web/lm-worker/src/transformUtils.ts
@@ -1,6 +1,6 @@
 class TransformUtils {
   static isWhitespace(transform: Transform): boolean {
-    // Matches prefixed text + any instance of a character with Unicode general property Z* or the following: CR, LF, and Tab.
+    // Matches a string that is entirely one or more characters with Unicode general property Z* or the following: CR, LF, and Tab.
     const whitespaceRemover = /^[\u0009\u000A\u000D\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u202f\u205f\u3000]+$/i;
 
     // Filter out null-inserts; their high probability can cause issues.