diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/UrlUtils.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/UrlUtils.kt
index ed16404c54..fbbec1a100 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/UrlUtils.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/util/UrlUtils.kt
@@ -39,7 +39,7 @@ internal fun String.ensureProtocol(): String {
 }
 
 /**
- * Ensure string has trailing /.
+ * Ensure string ends with "/", if not empty.
  */
 internal fun String.ensureTrailingSlash(): String {
     return when {