Grammer mistake

Author: Joe Thomas

Diff for: OpenProblemLibrary/UVA-Stew5e/setUVA-Stew5e-C06S02-VolumeSlicing/6-2-48.pg

@@ -49,7 +49,7 @@ $b = random($a+1,50,1) ;
 
 
 TEXT(EV2(<<EOT));
-Find the volume of the frustum of a pyramid with square base of side \(b=$b\), square top of side \( a = $a \), and  height \( h=$h\).
+Find the volume of the frustum of a pyramid with a square base of side \(b=$b\), square top of side \( a = $a \), and  height \( h=$h\).
 
 $BR