diff --git a/common/flatpak-utils.c b/common/flatpak-utils.c
index d9912e85..bb34ba20 100644
--- a/common/flatpak-utils.c
+++ b/common/flatpak-utils.c
@@ -999,7 +999,7 @@ is_valid_branch_character (gint c)
  *
  * Branch names must only contain the ASCII characters
  * "[A-Z][a-z][0-9]_-.".
- * Branch names may not begin with a digit.
+ * Branch names may not begin with a period.
  * Branch names must contain at least one character.
  *
  * Returns: %TRUE if valid, %FALSE otherwise.