1 files changed, 10 insertions, 0 deletions
diff --git a/doc/make.1 b/doc/make.1
index 933a8273..8a407b03 100644
--- a/doc/make.1
+++ b/doc/make.1
@@ -374,6 +374,10 @@ can be an action; one of
 or
 .I error
 to set the default action for all warnings, or it can be a specific warning:
+.I invalid-var
+(assigning to an invalid variable name),
+.I invalid-ref
+(referencing an invalid variable name), or
 .I undefined-var
 (referencing an undefined variable).  The behavior of each warning can be set
 by adding
@@ -387,6 +391,12 @@ is provided the action for all warnings is
 If no
 .B \-\-warn
 option is provided the default action for
+.I invalid-var
+and
+.I invalid-ref
+is
+.I warn
+and the default action for
 .I undefined-var
 is
 .IR ignore .