diff --git a/lld/docs/ld.lld.1 b/lld/docs/ld.lld.1
--- a/lld/docs/ld.lld.1
+++ b/lld/docs/ld.lld.1
@@ -877,6 +877,20 @@
 segment.
 .El
 .El
+
+.Sh ENVIRONMENT VARIABLES
+.Bl -tag -width LC_CTYPE
+.It Ev LLD_REPRODUCE
+Create a reproduce tarball with the specified filename. If
+.Fl -reproduce
+is specified,
+.Fl -reproduce
+takes precedence.
+.It Ev LLD_VERSION
+ld.lld creates a section named
+.Cm .comment
+indicating its version. The version string can be overridden by this environment variable.
+
 .Sh IMPLEMENTATION NOTES
 .Nm Ap s
 handing of archive files (those with a