Merge pull request #3208 from bkueng/minor_things

Minor things

.ackrc

+--ignore-dir=doc

README.md

@@ -44,7 +44,7 @@ You need to install Qt like this instead of using packages from say a Linux dist
 
 ###### Install additional packages:
 * Ubuntu: sudo apt-get install espeak libespeak-dev libudev-dev libsdl1.2-dev
-* Fedora: sudo yum install espeak espeak-devel SDL-devel SDL-static systemd-devel
+* Fedora: sudo dnf install espeak espeak-devel SDL-devel SDL-static systemd-devel
 * Arch Linux: pacman -Sy espeak
 * Windows: [USB Driver](http://www.pixhawk.org/firmware/downloads) to connect to Pixhawk/PX4Flow/3DR Radio
 * Android: [Qt Android Setup](http://doc.qt.io/qt-5/androidgs.html)

qgroundcontrol.pro

@@ -18,7 +18,7 @@
 # -------------------------------------------------
 
 exists($${OUT_PWD}/qgroundcontrol.pro) {
-    error("You must use shadow build.")
+    error("You must use shadow build (e.g. mkdir build; cd build; qmake ../qgroundcontrol.pro).")
 }
 
 message(Qt version $$[QT_VERSION])

src/MissionEditor/MissionEditor.qml

@@ -742,7 +742,7 @@ QGCView {
                 width:      sendSaveRow.width
                 wrapMode:   Text.WordWrap
                 text:       syncNeeded && !controller.autoSync ?
-                                "You have unsaved changed to you mission. You should send to your vehicle, or save to a file:" :
+                                "You have unsaved changes to you mission. You should send to your vehicle, or save to a file:" :
                                 "Sync:"
             }