diff --git a/README.md b/README.md
index 038783f8..1461d8da 100644
--- a/README.md
+++ b/README.md
@@ -991,10 +991,15 @@ to turn those into moderate detail tiles at high zoom levels, for the benefit of
 renderers that cannot internally overzoom high-resolution tiles without losing
 some of the precision. Running:
 
-    tippecanoe-overzoom -o out.mvt.gz inz/inx/iny outz/outx/outy in.mvt.gz
+    tippecanoe-overzoom -o out.mvt.gz in.mvt.gz inz/inx/iny outz/outx/outy
 
 reads tile `inz/inx/iny` of `in.mvt.gz` and produces tile `outz/outx/outy` of `out.mvt.gz`.
 
+    tippecanoe-overzoom -o out.mvt.gz -t outz/outx/outy in.mvt.gz inz/inx/iny in2.mvt.gz in2z/in2x/in2y in3.mvt.gz in3z/in3x/in3y
+
+reads tile `inz/inx/iny` of `in.mvt.gz`, tile `in2z/in2x/in2y` of `in2.mvt.gz`, and tile `in3z/in3x/in3y` of `in3.mvt.gz`,
+and produces tile `outz/outx/outy` of `out.mvt.gz` from them.
+
 ### Options
 
  * `-b` *buffer*: Set the tile buffer in the output tile (default 5)
diff --git a/man/tippecanoe.1 b/man/tippecanoe.1
index fc0b6cfa..d57bd352 100644
--- a/man/tippecanoe.1
+++ b/man/tippecanoe.1
@@ -1257,11 +1257,20 @@ some of the precision. Running:
 .PP
 .RS
 .nf
-tippecanoe\-overzoom \-o out.mvt.gz inz/inx/iny outz/outx/outy in.mvt.gz
+tippecanoe\-overzoom \-o out.mvt.gz in.mvt.gz inz/inx/iny outz/outx/outy
 .fi
 .RE
 .PP
 reads tile \fB\fCinz/inx/iny\fR of \fB\fCin.mvt.gz\fR and produces tile \fB\fCoutz/outx/outy\fR of \fB\fCout.mvt.gz\fR\&.
+.PP
+.RS
+.nf
+tippecanoe\-overzoom \-o out.mvt.gz \-t outz/outx/outy in.mvt.gz inz/inx/iny in2.mvt.gz in2z/in2x/in2y in3.mvt.gz in3z/in3x/in3y
+.fi
+.RE
+.PP
+reads tile \fB\fCinz/inx/iny\fR of \fB\fCin.mvt.gz\fR, tile \fB\fCin2z/in2x/in2y\fR of \fB\fCin2.mvt.gz\fR, and tile \fB\fCin3z/in3x/in3y\fR of \fB\fCin3.mvt.gz\fR,
+and produces tile \fB\fCoutz/outx/outy\fR of \fB\fCout.mvt.gz\fR from them.
 .SS Options
 .RS
 .IP \(bu 2