fix broken links

website/docs/AddOns/Headwear/Gelfree_Electrode_Cap_Tutorial.md

@@ -101,7 +101,7 @@ After more than two hours, the saline solution should be replenished. Take the h
 
 <img src="https://github.com/openbci-archive/Docs/blob/master/assets/images/GUI-V4-Screenshot.jpg?raw=true" width="50%" />
 
-Head over to the OpenBCI GUI [tutorial](Software/OpenBCISoftware/01-OpenBCI_GUI.md) to set up your free live-streaming software!
+Head over to the OpenBCI GUI [tutorial](../../Software/OpenBCISoftware/01-OpenBCI_GUI.md) to set up your free live-streaming software!
 
 ### Use Cases for OpenBCI GUI
 
@@ -121,11 +121,11 @@ Head over to the OpenBCI GUI [tutorial](Software/OpenBCISoftware/01-OpenBCI_GUI.
 -   Apply filters and other data processing tools to quickly clean raw data in real time
 -   Use the GUI as a networking system to move data out of GUI into other apps over UDP, OSC, LSL, and Serial.
 -   Send data to [MATLAB](../../Software/CompatibleThirdPartySoftware/01-Matlab.md), Neuropype (using LSL), and other [third-party softwares.](../../Software/SoftwareLanding.md)
--   Analyze data with [Python and Brainflow](ForDevelopers/01-SoftwareDevelopment.md#brainflow---python)
--   [Create a widget framework](Software/OpenBCISoftware/02_GUI_Widget_Guide.md#custom-widget) that allows users to create their own experiments.
+-   Analyze data with [Python and Brainflow](../../ForDevelopers/01-SoftwareDevelopment.md#brainflow---python)
+-   [Create a widget framework](../../Software/OpenBCISoftware/02_GUI_Widget_Guide.md#custom-widget) that allows users to create their own experiments.
 -   Output data into a saved file for later offline processing.
--   [Customize the layout](Software/OpenBCISoftware/01-OpenBCI_GUI.md#customize-your-layout), change the gain, toggle on/off, check impedance of individual channels of the CytonDaisy board (or any connected OpenBCI board) directly in the GUI!
--   Access [OpenBCI GUI's built-in widgets](https://docs.openbci.com/docs/06Software/01-OpenBCISoftware/GUIWidgets) such as Band Power, Spectrogram, Accelerometer, EEG Head Plot, and MUCH more
+-   [Customize the layout](../../Software/OpenBCISoftware/01-OpenBCI_GUI.md#customize-your-layout), change the gain, toggle on/off, check impedance of individual channels of the CytonDaisy board (or any connected OpenBCI board) directly in the GUI!
+-   Access [OpenBCI GUI's built-in widgets](../../Software/OpenBCISoftware/02_GUI_Widget_Guide.md) such as Band Power, Spectrogram, Accelerometer, EEG Head Plot, and MUCH more
 
     **If you just want to visualize EEG, EMG, ECG data (and do some basic analysis) and save the data to start with, download the standalone [OpenBCI GUI](https://openbci.com/index.php/downloads) and connect it to an OpenBCI Cyton, CytonDaisy, or Ganglion!**