diff --git a/doc/images/01_unboxed.jpg b/doc/images/01_unboxed.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/02_remove_rubber_pads.jpg b/doc/images/02_remove_rubber_pads.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/03_bolts_overview.jpg b/doc/images/03_bolts_overview.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/04_remove_bolts.jpg b/doc/images/04_remove_bolts.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/05_bolts.jpg b/doc/images/05_bolts.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/06_pull_off_the_bottom.jpg b/doc/images/06_pull_off_the_bottom.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/07_bottom_removed.jpg b/doc/images/07_bottom_removed.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/08_board_exposed.jpg b/doc/images/08_board_exposed.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/09_debug_pads_for_soldering.jpg b/doc/images/09_debug_pads_for_soldering.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/10_stripped_dupont_wires.jpg b/doc/images/10_stripped_dupont_wires.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/11_soldered_wires.jpg b/doc/images/11_soldered_wires.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/12_optional_hot_glue.jpg b/doc/images/12_optional_hot_glue.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/13_connect_to_serial_to_usb_adapter.jpg b/doc/images/13_connect_to_serial_to_usb_adapter.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/14_connect_to_serial_to_usb_adapter_close_up.jpg b/doc/images/14_connect_to_serial_to_usb_adapter_close_up.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/15_power_up_for_flashing.jpg b/doc/images/15_power_up_for_flashing.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/16_serial_showing_download_mode.png b/doc/images/16_serial_showing_download_mode.png
old mode 100755
new mode 100644
diff --git a/doc/images/17_flash_ready.png b/doc/images/17_flash_ready.png
old mode 100755
new mode 100644
diff --git a/doc/images/18_disconnect_GPIO0.jpg b/doc/images/18_disconnect_GPIO0.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/19_test_run.jpg b/doc/images/19_test_run.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/20_tuck_away_wires.jpg b/doc/images/20_tuck_away_wires.jpg
old mode 100755
new mode 100644
diff --git a/doc/images/21_reassemble_and_enjoy.jpg b/doc/images/21_reassemble_and_enjoy.jpg
old mode 100755
new mode 100644