fix typo in doc.txt

1 files changed, 1 insertions, 1 deletions

diff --git a/doc.txt b/doc.txt
index c68d285..a65171d 100644
--- a/doc.txt
+++ b/doc.txt
@@ -54,7 +54,7 @@ symbols.
 ++ About reduces
 
 Even though it is fairly obvious that in a
-single state their can bit shifts towards
+single state their can be shifts towards
 different states.  It is also true that,
 depending on the lookahead, their can be
 multiple reduces.  For an example, consider