Fix typo (#16)
diff --git a/doc/SoftFloat.html b/doc/SoftFloat.html
index b72b407..8367d6f 100644
--- a/doc/SoftFloat.html
+++ b/doc/SoftFloat.html
@@ -508,7 +508,7 @@
On computers where the word size is <NOBR>64 bits</NOBR> or larger, both
function versions (<CODE>f128M_add</CODE> and <CODE>f128_add</CODE>) are
provided, because the cost of passing by value is then more reasonable.
-Applications that must be portable accross both classes of computers must use
+Applications that must be portable across both classes of computers must use
the pointer-based functions, as these are always implemented.
However, if it is known that SoftFloat includes the by-value functions for all
platforms of interest, programmers can use whichever version they prefer.
