diff --git a/configure/RULES_DIRS b/configure/RULES_DIRS
index 4d7c160f4..0e5a0bbea 100644
--- a/configure/RULES_DIRS
+++ b/configure/RULES_DIRS
@@ -38,7 +38,7 @@ all : install
 rebuild : clean install
 
 # Create directory dependancies lines for GNU make -j option
-# Only works with GNU make 3.80 or later (uses eval function)
+# Only works with GNU make 3.81 or later (uses eval function)
 define DEP_template1
 $(1): $$($(1)_DEPEND_DIRS)
 endef