diff --git a/man/tippecanoe.1 b/man/tippecanoe.1
index e0afcf0b..72322dfa 100644
--- a/man/tippecanoe.1
+++ b/man/tippecanoe.1
@@ -263,16 +263,14 @@ it doesn't have any of tippecanoe's recourses if the new tiles are bigger than t
 If a tile is too big, it is just left out of the new tileset.
 .SH Example
 .PP
-Imagine you have a tileset of census blocks, with some slightly ridiculous mangling to give each of them a single field to identify their state/county/tract/block combination:
+Imagine you have a tileset of census blocks:
 .PP
 .RS
 .nf
 curl \-O http://www2.census.gov/geo/tiger/TIGER2010/TABBLOCK/2010/tl_2010_06001_tabblock10.zip
 unzip tl_2010_06001_tabblock10.zip
 ogr2ogr \-f GeoJSON tl_2010_06001_tabblock10.json tl_2010_06001_tabblock10.shp
-cat tl_2010_06001_tabblock10.json |
-sed 's/"STATEFP10": "\\([^"]*\\)", "COUNTYFP10": "\\([^"]*\\)", "TRACTCE10": "\\([^"]*\\)", "BLOCKCE10": "\\([^"]*\\)"/"statecountytractblock": "\\1\\2\\3\\4", &/' |
-\&./tippecanoe \-o tl_2010_06001_tabblock10.mbtiles
+\&./tippecanoe \-o tl_2010_06001_tabblock10.mbtiles tl_2010_06001_tabblock10.json
 .fi
 .RE
 .PP
@@ -283,7 +281,7 @@ and a CSV of their populations:
 curl \-O http://www2.census.gov/census_2010/01\-Redistricting_File\-\-PL_94\-171/California/ca2010.pl.zip
 unzip \-p ca2010.pl.zip cageo2010.pl |
 awk 'BEGIN {
-    print "statecountytractblock,population"
+    print "GEOID10,population"
 }
 (substr($0, 9, 3) == "750") {
     print "\\"" substr($0, 28, 2) substr($0, 30, 3) substr($0, 55, 6) substr($0, 62, 4) "\\"," (0 + substr($0, 328, 9))
@@ -295,7 +293,7 @@ which looks like this:
 .PP
 .RS
 .nf
-statecountytractblock,population
+GEOID10,population
 "060014277003018",0
 "060014283014046",0
 "060014284001020",0
@@ -312,6 +310,6 @@ Then you can join those populations to the geometries and discard the no\-longer
 .PP
 .RS
 .nf
-\&./tile\-join \-o population.mbtiles \-x statecountytractblock \-c population.csv tl_2010_06001_tabblock10.mbtiles
+\&./tile\-join \-o population.mbtiles \-x GEOID10 \-c population.csv tl_2010_06001_tabblock10.mbtiles
 .fi
 .RE