diff --git a/pytec/pytec/gui/view/param_tree.json b/pytec/pytec/gui/view/param_tree.json
index c82a5c8..0f4029e 100644
--- a/pytec/pytec/gui/view/param_tree.json
+++ b/pytec/pytec/gui/view/param_tree.json
@@ -373,7 +373,7 @@
             },
             {
                "name": "pid_autotune",
-               "title": "PID Auto Tune",
+               "title": "PID Autotune",
                "expanded": false,
                "type": "group",
                "tip": "Automatically tune PID parameters",
diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 0ec1a18..1269467 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -82,7 +82,7 @@ class MainWindow(QtWidgets.QMainWindow):
                 [["load"], partial(self.thermostat.load_cfg, ch)],
                 [
                     ["pid", "pid_autotune", "run_pid"],
-                    partial(self.pid_auto_tune_request, ch),
+                    partial(self.pid_autotune_request, ch),
                 ],
             ]
             for ch in range(self.NUM_CHANNELS)
@@ -280,10 +280,10 @@ class MainWindow(QtWidgets.QMainWindow):
                     param.child(*param.childPath(inner_param)).setOpts(lock=False)
 
                 if inner_param.opts.get("pid_autotune", None) is not None:
-                    auto_tuner_param = inner_param.opts["pid_autotune"][0]
+                    autotuner_param = inner_param.opts["pid_autotune"][0]
                     if inner_param.opts["pid_autotune"][1] != "ch":
                         ch = inner_param.opts["pid_autotune"][1]
-                    self.autotuners.set_params(auto_tuner_param, ch, data)
+                    self.autotuners.set_params(autotuner_param, ch, data)
 
                 if inner_param.opts.get("activaters", None) is not None:
                     activater = inner_param.opts["activaters"][
@@ -295,7 +295,7 @@ class MainWindow(QtWidgets.QMainWindow):
                         await self.client.set_param(*activater)
 
     @asyncSlot()
-    async def pid_auto_tune_request(self, ch=0):
+    async def pid_autotune_request(self, ch=0):
         match self.autotuners.get_state(ch):
             case PIDAutotuneState.STATE_OFF | PIDAutotuneState.STATE_FAILED:
                 self.autotuners.load_params_and_set_ready(ch)