Fix typos

Author: Dadido3

bin/stitch/README.md

@@ -47,7 +47,7 @@ example list of files:
   - `dzi-tile-size`
     The size of the resulting deep zoom image (DZI) tiles in pixels. Defaults to 512.
   - `dzi-tile-overlap`
-    TThe number of additional pixels around every deep zoom image (DZI) tile in pixels. Defaults to 2.
+    The number of additional pixels around every deep zoom image (DZI) tile. Defaults to 2.
   - `xmax int`
     Right bound of the output rectangle. This coordinate is not included in the output.
   - `xmin int`

bin/stitch/main.go

@@ -26,7 +26,7 @@ var flagOutputPath = flag.String("output", filepath.Join(".", "output.png"), "Th
 var flagScaleDivider = flag.Int("divide", 1, "A downscaling factor. 2 will produce an image with half the side lengths.")
 var flagBlendTileLimit = flag.Int("blend-tile-limit", 9, "Limits median blending to the n newest tiles by file modification time. If set to 0, all available tiles will be median blended.")
 var flagDZITileSize = flag.Int("dzi-tile-size", 512, "The size of the resulting deep zoom image (DZI) tiles in pixels.")
-var flagDZIOverlap = flag.Int("dzi-tile-overlap", 2, "The number of additional pixels around every deep zoom image (DZI) tile in pixels.")
+var flagDZIOverlap = flag.Int("dzi-tile-overlap", 2, "The number of additional pixels around every deep zoom image (DZI) tile.")
 var flagXMin = flag.Int("xmin", 0, "Left bound of the output rectangle. This coordinate is included in the output.")
 var flagYMin = flag.Int("ymin", 0, "Upper bound of the output rectangle. This coordinate is included in the output.")
 var flagXMax = flag.Int("xmax", 0, "Right bound of the output rectangle. This coordinate is not included in the output.")