Assorted spelling fixes.
diff --git a/include/basetsd.h b/include/basetsd.h
index dcdf8fa..7fba324 100644
--- a/include/basetsd.h
+++ b/include/basetsd.h
@@ -32,7 +32,7 @@
* and pointer are 32-bit.
*
* Win64, however, will cause some problems when implemented under Unix.
- * Linux/{Alpha, Sparc64} and most (all?) other 64-bit Unices uses
+ * Linux/{Alpha, Sparc64} and most (all?) other 64-bit Unices use
* the LP64 type model where int is 32-bit and long and pointer are
* 64-bit. Win64 on the other hand uses the P64 (sometimes called LLP64)
* type model where int and long are 32 bit and pointer is 64-bit.
