diff --git a/modules/cooler/cooler.go b/modules/cooler/cooler.go
index 6811098c..7879e8c9 100644
--- a/modules/cooler/cooler.go
+++ b/modules/cooler/cooler.go
@@ -350,11 +350,6 @@ func driverName(cfg *compass.Config, key string) (string, error) {
 	return "", fmt.Errorf("cooler: %s must be %s or %s, got %q", key, driverMemory, driverRedis, v)
 }
 
-// keyPrefix returns the key prefix every cooler key starts with: cache.prefix
-// when set, otherwise app.name lower-cased with every run of characters
-// outside [a-z0-9] replaced by "_" (trimmed at both ends) and a trailing ":",
-// or "summer:" when app.name is empty too. Cache keys are <prefix>cache:<key>,
-// rate-limit keys <prefix>rl:<key>.
 // KeyPrefix returns the key prefix every cooler key of this application
 // starts with (see keyPrefix: cache.prefix, else app.name as a slug plus
 // ":", else "summer:"), so another framework module keeps its Redis keys
@@ -363,6 +358,11 @@ func KeyPrefix(cfg *compass.Config) string {
 	return keyPrefix(cfg)
 }
 
+// keyPrefix returns the key prefix every cooler key starts with: cache.prefix
+// when set, otherwise app.name lower-cased with every run of characters
+// outside [a-z0-9] replaced by "_" (trimmed at both ends) and a trailing ":",
+// or "summer:" when app.name is empty too. Cache keys are <prefix>cache:<key>,
+// rate-limit keys <prefix>rl:<key>.
 func keyPrefix(cfg *compass.Config) string {
 	if cfg == nil {
 		return defaultPrefix