Fix misc. documentation typos (#280)

Found via `codespell -q 3 -L ba,fourty,halp,inout,strng`

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/simpleArith.py b/examples/simpleArith.py
index 476cb8b..99b7ce1 100644
--- a/examples/simpleArith.py
+++ b/examples/simpleArith.py
@@ -30,7 +30,7 @@ factop = Literal("!")
 #       and integer or a variable.  This will be the first argument

 #       to the infixNotation method.

 #   2.  Define a list of tuples for each level of operator

-#       precendence.  Each tuple is of the form

+#       precedence.  Each tuple is of the form

 #       (opExpr, numTerms, rightLeftAssoc, parseAction), where

 #       - opExpr is the pyparsing expression for the operator;

 #          may also be a string, which will be converted to a Literal