Fix typos reported by François Pinard.

diff --git a/Doc/ref/refa1.tex b/Doc/ref/refa1.tex
index 9a225132a85536b99d62bc55e1cba87a13e88a45..0e18753dff4576047d74de8320b33bf1c3fd2293 100644 (file)
--- a/Doc/ref/refa1.tex
+++ b/Doc/ref/refa1.tex
@@ -160,9 +160,9 @@ operations.  Each occurrence of a name in the program text refers to
 the binding of that name established in the innermost function block
 containing the use.
 
-A \dfn{block} is a pice of Python program text that can is executed as
+A \dfn{block} is a piece of Python program text that can is executed as
 a unit.  The following are blocks: a module, a function body, and a
-class defintion.
+class definition.
 
 A \dfn{scope} defines the visibility of a name within a block.  If a
 local variable is defined in a block, it's scope includes that block.