diff --git a/data/meta_data.csv b/data/meta_data.csv
index 77820a4..73f985a 100644
--- a/data/meta_data.csv
+++ b/data/meta_data.csv
@@ -1,18 +1,18 @@
-variable	type	description
-year	numeric	year
-month	numeric	month
-day	numeric	day
-time	numeric	time in 24hr format
-hour	numeric	nearest whole-hour
-date	date	"Julian date, d/m/y"
-date_posix	date	time & date in POSIX format
-lat	numeric	latitude of study site
-lon	numeric	longitude of study site
-daily_solarexp	numeric	"daily solar exposure, as recorded from the BOM station nearest the study site"
-daily_rainfall	numeric	"daily rainfall, as recorded from the BOM station nearest the study site"
-daily_maxtemp	numeric	"daily maximum temperature, as recorded from the BOM station nearest the study site"
-male_az	numeric	"the absolute compass orientation of a male display, in degrees"
-sun_al	numeric	the altitude of the sun at the time of a male display
-sun_az	numeric	the azimuth of the sun at the time of a male display
-offset	numeric	the absolute offset of the male display from the solar azimuth
-condition	character	"experimental condition (full sun, heavy cloud, artificially obscured sunlight)"
\ No newline at end of file
+variable,type,description
+year,numeric,year
+month,numeric,month
+day,numeric,day
+"time	",numeric,time in 24hr format
+"hour	",numeric,nearest whole-hour
+date,date,Julian date
+"date_posix	","date	",time & date in POSIX format
+"lat	","numeric	",latitude of study site
+"lon	",numeric,longitude of study site
+daily_solarexp,numeric,daily solar exposure as recorded from the BOM station nearest the study site
+daily_rainfall,numeric,daily rainfall as recorded from the BOM station nearest the study site
+daily_maxtemp,numeric,daily maximum temperature as recorded from the BOM station nearest the study site
+male_az,numeric,the absolute compass orientation of a male display  in degrees
+sun_al,numeric,the altitude of the sun at the time of a male display
+sun_az,numeric,the azimuth of the sun at the time of a male display
+offset,numeric,the absolute offset of the male display from the solar azimuth
+condition,character,"experimental condition (full sun, heavy cloud,  artificially obscured sunlight)"
\ No newline at end of file