Typo fix for decimal docs
diff --git a/Doc/lib/libdecimal.tex b/Doc/lib/libdecimal.tex
index 447427b..127eb1d 100644
--- a/Doc/lib/libdecimal.tex
+++ b/Doc/lib/libdecimal.tex
@@ -453,7 +453,7 @@
no context is specified, a copy of the current context is used.
\versionadded{2.5}
- For example, the following code set the current decimal precision
+ For example, the following code sets the current decimal precision
to 42 places, performs a calculation, and then automatically restores
the previous context:
\begin{verbatim}