Exercise 094: Correct spelling and grammar

exercises/094_c_math.zig

@@ -1,19 +1,19 @@
 //
-// Often C functions are used where no equivalent Zig function exists
-// yet. Since the integration of a C function is very simple as already
+// Often, C functions are used where no equivalent Zig function exists
+// yet. Since the integration of a C function is very simple, as already
 // seen in the last exercise, it naturally offers itself to use the
-// very large variety of C functions for the own programs.
-// In addition immediately an example:
+// very large variety of C functions for our own programs.
+// As an example:
 //
 // Let's say we have a given angle of 765.2 degrees. If we want to
 // normalize that, it means that we have to subtract X * 360 degrees
 // to get the correct angle. How could we do that? A good method is
 // to use the modulo function. But if we write "765.2 % 360", it won't
 // work, because the standard modulo function works only with integer
-// values. In the C library "math" there is a function called "fmod".
-// The "f" stands for floating and means that we can solve modulo for
-// real numbers. With this function it should be possible to normalize
-// our angel. Let's go.
+// values. In the C library "math", there is a function called "fmod";
+// the "f" stands for floating and means that we can solve modulo for
+// real numbers. With this function, it should be possible to normalize
+// our angle. Let's go.
 
 const std = @import("std");
 
@@ -23,12 +23,12 @@ const c = @cImport({
 });
 
 pub fn main() !void {
-    const angel = 765.2;
+    const angle = 765.2;
     const circle = 360;
 
-    // Here we call the C function 'fmod' to get our normalized angel.
-    const result = c.fmod(angel, circle);
+    // Here we call the C function 'fmod' to get our normalized angle.
+    const result = c.fmod(angle, circle);
 
     // We use formatters for the desired precision and to truncate the decimal places
-    std.debug.print("The normalized angle of {d: >3.1} degrees is {d: >3.1} degrees.\n", .{ angel, result });
+    std.debug.print("The normalized angle of {d: >3.1} degrees is {d: >3.1} degrees.\n", .{ angle, result });
 }