diff --git a/lib/util/package-rules/package-prefixes.ts b/lib/util/package-rules/package-prefixes.ts
index dc9adee148bd1f..c52f4e14e40f3e 100644
--- a/lib/util/package-rules/package-prefixes.ts
+++ b/lib/util/package-rules/package-prefixes.ts
@@ -26,7 +26,7 @@ export class PackagePrefixesMatcher extends Matcher {
     if (matchPackagePrefixes.some((prefix) => depName.startsWith(prefix))) {
       logger.once.warn(
         { packageRule, packageName, depName },
-        'Use matchDepPatterns instead of matchPackagePrefixes',
+        'Use matchDepPrefixes instead of matchPackagePrefixes',
       );
       return true;
     }
@@ -55,7 +55,7 @@ export class PackagePrefixesMatcher extends Matcher {
     if (excludePackagePrefixes.some((prefix) => depName.startsWith(prefix))) {
       logger.once.warn(
         { packageRule, packageName, depName },
-        'Use excludeDepPatterns instead of excludePackagePrefixes',
+        'Use excludeDepPrefixes instead of excludePackagePrefixes',
       );
       return true;
     }