--- loncom/html/adm/help/tex/Significant_Figures.tex	2002/07/05 16:12:31	1.1
+++ loncom/html/adm/help/tex/Significant_Figures.tex	2013/07/05 18:30:40	1.3
@@ -1,3 +1,4 @@
+\label{Significant_Figures}
 A \textbf{significant figures} specification tells the system how many significant
 figures there are in the problem, as either a single number or a range of
 acceptable values, expressed as \textbf{min,max}. The system will check to
@@ -7,4 +8,6 @@ significant digits, the significant digi
 the answer is {}``1.3'', the system will require the students to type {}``1.30'',
 even though numerically, {}``1.3'' and {}``1.30'' are the same. A significant
 figure specification of {}``3,4'' means both {}``1.30'' and {}``1.300''
-are acceptable.
\ No newline at end of file
+are acceptable. The significant figures field can be deleted if you do 
+not want to constrain the number of significant digits in the student answers.
+