Fix minor typos

README.md

@@ -120,7 +120,7 @@ KStars uses [Artistic Style](http://astyle.sourceforge.net) to format all the C+
 --lineend=linux
 --max-code-length=124
 ```
-Some IDEs (e.g. QtCreator) support automatic formatting for the code everytime you save the file to disk.
+Some IDEs (e.g. QtCreator) support automatic formatting for the code every time you save the file to disk.
 
 ### Merge Request Descriptions
 
@@ -134,7 +134,7 @@ which has sections for a summary of what was done, what was modified in each fil
 You must be familiar with git to make changes to KStars, and this is not the place for such a tutorial. There
 are many excellent resources for that on the web. The paragraph below, though, will give an overview of one way
 to make a Merge Request, given you already have sufficient git experience to clone KStars, make a local branch,
-modify the code as you like, commit your changes to your local branch, and test your code throughly.
+modify the code as you like, commit your changes to your local branch, and test your code thoroughly.
 
 Here's one good resource for a [fork-branch-git-workflow to make KStars changes](https://blog.scottlowe.org/2015/01/27/using-fork-branch-git-workflow). The steps below are inspired by that page.
 

kstars/ekos/analyze/analyze.h

@@ -71,8 +71,8 @@ class Analyze : public QWidget, public Ui::Analyze
                 QString htmlString;
         };
         // Below are subclasses of Session used to represent all the different
-        // lines in the Timeline. Each of those hold differnt types of infomation
-        // abou the process it represents.
+        // lines in the Timeline. Each of those hold different types of information
+        // about the process it represents.
         class CaptureSession : public Session
         {
             public:
@@ -258,7 +258,7 @@ class Analyze : public QWidget, public Ui::Analyze
         QCPItemRect * addSession(double start, double end, double y,
                                  const QBrush &brush, const QBrush *stripeBrush = nullptr);
 
-        // Manage temporary sesions (only used for live data--file-reading doesn't
+        // Manage temporary sessions (only used for live data--file-reading doesn't
         // need temporary sessions). For example, when an image capture has started
         // but not yet completed, a temporary session is added to the timeline to
         // represent the not-yet-completed capture.
@@ -356,7 +356,7 @@ class Analyze : public QWidget, public Ui::Analyze
 
         // These define the view for the timeline and stats plots.
         // The plots start plotStart seconds from the start of the session, and
-        // are plotWidth seconds long. The end of the X-asis is maxXValue.
+        // are plotWidth seconds long. The end of the X-axis is maxXValue.
         double plotStart { 0.0 };
         double plotWidth { 10.0 };
         double maxXValue { 10.0 };