[gnumeric-web] Typo

[Morten Welinder <mortenw src gnome org>]

commit 8299affdebb0881010ae1faa066286567b6b7376
Author: Morten Welinder <terra gnome org>
Date:   Sat Mar 17 19:01:50 2018 -0400

    Typo

 numerical-issues.html |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/numerical-issues.html b/numerical-issues.html
index e77beab..a2d75a0 100644
--- a/numerical-issues.html
+++ b/numerical-issues.html
@@ -129,7 +129,7 @@
        operation, called <em>snap-to-zero</em> is also performed for
        addition and the subtraction implied by comparisons.  Is is
        not performed for operations deeper in an expression, not even
-       for subtractions surrounded by nothing by parentheses.</p>
+       for subtractions surrounded by nothing but parentheses.</p>
 
        <p>Snap-to-zero has the effect of hiding the small rounding
        errors that arise by the representation error on 0.01.  That