diff --git a/Makefile b/Makefile
index 0ffc05f..8dcb624 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 PREFIX ?= /usr/local
-MANDIR ?= /usr/share/man/man1/
+MANDIR ?= /usr/local/share/man/man1/
 
 all: tippecanoe enumerate decode tile-join
 
diff --git a/man/tippecanoe.1 b/man/tippecanoe.1
index 30d0d4d..11db972 100644
--- a/man/tippecanoe.1
+++ b/man/tippecanoe.1
@@ -74,9 +74,9 @@ it encounters.
 .IP \(bu 2
 \-Z \fIzoom\fP: Lowest (minzoom) zoom level (default 0)
 .IP \(bu 2
-\-d \fIdetail\fP: Detail at base zoom level (default 12 at \-z14 or higher, or 13 at \-z13 or lower. Detail beyond 13 has rendering problems with Mapbox GL.)
+\-d \fIdetail\fP: Detail at base zoom level (default 12, for tile resolution of 4096)
 .IP \(bu 2
-\-D \fIdetail\fP: Detail at lower zoom levels (default 10, for tile resolution of 1024)
+\-D \fIdetail\fP: Detail at lower zoom levels (default 12, for tile resolution of 4096)
 .IP \(bu 2
 \-m \fIdetail\fP: Minimum detail that it will try if tiles are too big at regular detail (default 7)
 .IP \(bu 2