Fix some minor typos

src/tiv.cpp

@@ -200,7 +200,7 @@ usage: tiv [options] <image> [<image>...]
 -0 : No block character adjustment, always use top half block char.
 -2, --256 : Use 256-bit colors. Needed to display properly on macOS Terminal.
 -c <num> : Number of thumbnail columns in 'dir' mode (3 by default).
--d, --dir : Force 'dir' mode. Automatially selected for more than one input.
+-d, --dir : Force 'dir' mode. Automatically selected for more than one input.
 -f, --full: Force 'full' mode. Automatically selected for one input.
 --help : Display this help text.
 -h <num> : Set the maximum output height to <num> lines.
@@ -216,7 +216,7 @@ int main(int argc, char *argv[]) {
  bool detectSize = true;
 
  // Platform-specific implementations for determining console size, better
- // implementations are welcome Fallback sizes when unsuccesful
+ // implementations are welcome Fallback sizes when unsuccessful
  int maxWidth = 80;
  int maxHeight = 24;
 
@@ -307,7 +307,7 @@ int main(int argc, char *argv[]) {
  CONSOLE_SCREEN_BUFFER_INFO w;
  if (GetConsoleScreenBufferInfo(
  GetStdHandle(STD_OUTPUT_HANDLE),
- &w)) { // just like powershell, but without the hyphens, hooray
+ &w)) { // just like PowerShell, but without the hyphens, hooray
  maxWidth = w.dwSize.X * 4;
  maxHeight = w.dwSize.Y * 8;
  } else {
@@ -334,7 +334,7 @@ int main(int argc, char *argv[]) {
  image.resize(new_size.width, new_size.height, -100, -100,
  5);
  }
- // the acutal magic which generates the output
+ // the actual magic which generates the output
  printImage(image, flags);
  } catch (cimg_library::CImgIOException &e) {
  std::cerr << "Error: '" << filename

src/tiv_lib.cpp

@@ -46,7 +46,7 @@
 const int END_MARKER = 0;
 
 // An interleaved map of 4x8 bit character bitmaps (each hex digit represents a
-// row) to the corresponding unicode character code point.
+// row) to the corresponding Unicode character code point.
 constexpr unsigned int BITMAPS[] = {
  0x00000000, 0x00a0, 0,