diff --git a/MAC/Deployment/data/OTDB/AWimager.comp b/MAC/Deployment/data/OTDB/AWimager.comp
index 0af763f827648282a4da9c7e64a690f424e39075..ca20ef5901059f4afefa3db2abedfb7451ad486e 100644
--- a/MAC/Deployment/data/OTDB/AWimager.comp
+++ b/MAC/Deployment/data/OTDB/AWimager.comp
@@ -62,7 +62,7 @@ par nterms I int - 10 0 1 - "Number of Taylor terms"
 par operation I ptext - 10 0 empty|image|csclean|predict|psf;image - "Operation (empty,image,csclean,predict,psf)"
 par oversample I int - 10 0 8 - "oversampling for convolution functions"
 par padding I flt - 10 0 1.0 - "padding factor in image plane (>=1.0)"
-par phasecenter I vtext - 10 0 [] - "phase center to be used (e.g. [j2000, 05h30m, -30.2deg]')"
+par phasecenter I text - 10 0 "" - "phase center to be used (e.g. j2000, 05h30m, -30.2deg')"
 par prefervelocity I bool - 10 0 TRUE - "Should FITS image spectral axis be velocity or frequency"
 par prior I text - 10 0 "" - "Name of prior image file (default is <imagename>.prior"
 par psf I text - 10 0 "" - "Name of psf image file (default is <imagename>.psf"