diff --git a/data/nextstrain/rubella/E1/CHANGELOG.md b/data/nextstrain/rubella/E1/CHANGELOG.md
index cca8ad28e..aa088d95d 100644
--- a/data/nextstrain/rubella/E1/CHANGELOG.md
+++ b/data/nextstrain/rubella/E1/CHANGELOG.md
@@ -1,3 +1,7 @@
+## Unreleased
+
+- Fix typo: `excessBandwith` to `excessBandwidth`
+
 ## 2025-09-09T12:13:13Z
 
 Add schema definition url to `pathogen.json`. This is a purely technical change, for convenience of dataset authors. The data itself is not modified.
diff --git a/data/nextstrain/rubella/E1/pathogen.json b/data/nextstrain/rubella/E1/pathogen.json
index 3ff536f36..d34c736b4 100644
--- a/data/nextstrain/rubella/E1/pathogen.json
+++ b/data/nextstrain/rubella/E1/pathogen.json
@@ -18,8 +18,8 @@
   "alignmentParams": {
     "minSeedCover": 0.01,
     "terminalBandwidth": 100,
-    "excessBandwith": 18,
-    "minMatchLength": 20
+    "minMatchLength": 20,
+    "excessBandwidth": 18
   },
   "qc": {
     "missingData": {