fixed documentation

1280e742 · Lyla Fischer · 5f9d131f · 1280e742
Commit 1280e742 authored Oct 11, 2012 by Lyla Fischer
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common/lib/capa/capa/util.py
+1 -1

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--- a/common/lib/capa/capa/util.py
+++ b/common/lib/capa/capa/util.py
@@ -11,7 +11,7 @@ def compare_with_tolerance(v1, v2, tol):

     - v1    :  student result (number)
     - v2    :  instructor result (number)
-     - tol   :  tolerance (string or number)
+     - tol   :  tolerance (string representing a number)

    '''
    relative = tol.endswith('%')