diff --git a/AUTHORS.txt b/AUTHORS.txt
index 5de84e5e..f30d0c01 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -54,5 +54,6 @@ Dima Gerasimov (@karlicoss) <karlicoss@gmail.com>
 Max Woerner Chase (@mwchase) <max.chase@gmail.com>
 Johannes Maria Frank (@jmfrank63) <jmfrank63@gmail.com>
 Shane Steinert-Threlkeld (@shanest) <ssshanest@gmail.com>
+Tim Gates (@timgates42) <tim.gates@iress.com>
 
 Note: (@user) means a github user name.
diff --git a/jedi/inference/value/dynamic_arrays.py b/jedi/inference/value/dynamic_arrays.py
index f888cd36..d1159db2 100644
--- a/jedi/inference/value/dynamic_arrays.py
+++ b/jedi/inference/value/dynamic_arrays.py
@@ -10,7 +10,7 @@ current module will be checked for appearances of ``arr.append``,
 content will be added
 
 This can be really cpu intensive, as you can imagine. Because |jedi| has to
-follow **every** ``append`` and check wheter it's the right array. However this
+follow **every** ``append`` and check whether it's the right array. However this
 works pretty good, because in *slow* cases, the recursion detector and other
 settings will stop this process.