diff --git a/Dome2rect readme.html b/Dome2rect readme.html
index 623faf2..8dbe322 100644
--- a/Dome2rect readme.html	
+++ b/Dome2rect readme.html	
@@ -356,13 +356,13 @@ <h2>Batch Script Notes</h2>
 <p><strong>latlong2horizontalcross.bat</strong><br />
 Converts a latitude/longitude image to a cubic format that has a single image output with a horizontal cross arrangement.</p>
 <p><strong>latlong2mentalrayhorizontalstripcube1.bat</strong><br />
-Converts a latitude/longitude image into a a cubic format that has a single image output with a mental ray cube1 horizontal strip arrangement.</p>
+Converts a latitude/longitude image into a cubic format that has a single image output with a mental ray cube1 horizontal strip arrangement.</p>
 <p><strong>latlong2rect.bat</strong><br />
 Converts a latitude/longitude (equirectangular) image to a rectilinear image.</p>
 <p><strong>latlong2verticalcross.bat</strong><br />
 Converts a latitude/longitude image to a cubic format that has a single image output with a vertical cross arrangement.</p>
 <p><strong>latlongstereo2gearvrstereo.bat</strong><br />
-Converts a pair of latitude/longitude stereo images into a a cubic format that has a single image output with a Samsung GearVR Stereo horizontal strip arrangement.</p>
+Converts a pair of latitude/longitude stereo images into a cubic format that has a single image output with a Samsung GearVR Stereo horizontal strip arrangement.</p>
 <p>The left LatLong frames in the image sequence should be named <code>&lt;name&gt;_L.#.jpg</code>, and the right LatLong frames in the image sequence should be named <code>&lt;name&gt;_R.#.jpg</code>.</p>
 <p><strong>rect2dome.bat</strong><br />
 Converts a rectilinear image to a fisheye image</p>
diff --git a/readme.md b/readme.md
index 0e82b6a..7ab2dce 100644
--- a/readme.md
+++ b/readme.md
@@ -101,7 +101,7 @@ Converts a latitude/longitude (equirectangular) image to a fulldome image.
 Converts a latitude/longitude image to a cubic format that has a single image output with a horizontal cross arrangement.
 
 **latlong2mentalrayhorizontalstripcube1.bat**  
-Converts a latitude/longitude image into a a cubic format that has a single image output with a mental ray cube1 horizontal strip arrangement.
+Converts a latitude/longitude image into a cubic format that has a single image output with a mental ray cube1 horizontal strip arrangement.
 
 **latlong2rect.bat**  
 Converts a latitude/longitude (equirectangular) image to a rectilinear image.
@@ -110,7 +110,7 @@ Converts a latitude/longitude (equirectangular) image to a rectilinear image.
 Converts a latitude/longitude image to a cubic format that has a single image output with a vertical cross arrangement.
 
 **latlongstereo2gearvrstereo.bat**  
-Converts a pair of latitude/longitude stereo images into a a cubic format that has a single image output with a Samsung GearVR Stereo horizontal strip arrangement.
+Converts a pair of latitude/longitude stereo images into a cubic format that has a single image output with a Samsung GearVR Stereo horizontal strip arrangement.
 
 The left LatLong frames in the image sequence should be named `<name>_L.#.jpg`, and the right LatLong frames in the image sequence should be named `<name>_R.#.jpg`.