diff --git a/doc/mainpage.md b/doc/mainpage.md
--- a/doc/mainpage.md
+++ b/doc/mainpage.md
@@ -24,7 +24,7 @@
     
 ### Getting in Touch 
 You can reach us via:<br/>
-[IRC] - freenode #kde-atelier<br/>
+[IRC] - freenode \#kde-atelier<br/>
 [Telegram] - Atelier group<br/>
 [Web] - Our web page<br/>
 ### Bugs
diff --git a/src/atcore.h b/src/atcore.h
--- a/src/atcore.h
+++ b/src/atcore.h
@@ -266,7 +266,7 @@
      *
      * Sends M114 on pause to store the location where the head stoped.
      * This is known to cause problems on fake printers
-     * @param pauseActions: Gcode to run after pausing commands are ',' seperated
+     * @param pauseActions: Gcode to run after pausing commands are ',' separated
      * @sa resume(),stop(),emergencyStop()
      */
     void pause(const QString &pauseActions);
diff --git a/src/seriallayer.h b/src/seriallayer.h
--- a/src/seriallayer.h
+++ b/src/seriallayer.h
@@ -42,7 +42,7 @@
     SerialLayerPrivate *d;
 
     /**
-     * @brief Read all avaliable serial data
+     * @brief Read all available serial data
      *
      */
     void readAllData();
@@ -83,7 +83,7 @@
     /**
      * @brief Add command to be pushed
      *
-     * @param comm : Commmand, default terminator will be used
+     * @param comm : Command, default terminator will be used
      */
     void add(const QByteArray &comm);
 
diff --git a/src/temperature.h b/src/temperature.h
--- a/src/temperature.h
+++ b/src/temperature.h
@@ -46,7 +46,7 @@
      * @brief Create a new Temperature object
      * @param parent
      */
-    Temperature(QObject *parent = nullptr);
+    explicit Temperature(QObject *parent = nullptr);
 
     /**
      * @brief Get bed current temperature
diff --git a/testclient/mainwindow.h b/testclient/mainwindow.h
--- a/testclient/mainwindow.h
+++ b/testclient/mainwindow.h
@@ -36,7 +36,7 @@
     Q_OBJECT
 
 public:
-    MainWindow(QWidget *parent = nullptr);
+    explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow() override;
 
 public slots:
diff --git a/testclient/widgets/axiscontrol.cpp b/testclient/widgets/axiscontrol.cpp
--- a/testclient/widgets/axiscontrol.cpp
+++ b/testclient/widgets/axiscontrol.cpp
@@ -82,7 +82,7 @@
         I don't have experience programming with QGraphicsScene,
         Tomaz is helping me, but until we have a better solution, all the values
         that are dividing or multiplying the items is based only in tests and errors.
-        Those values was choosen because it fit better on the alignment of the items
+        Those values was chosen because it fit better on the alignment of the items
         in the scene. If you have a better solution, please share with us.
         Lays Rodrigues - Jan/2017
 */