Update Install.md

Author: arnodelorme

tutorials/01_Install/Install.md

@@ -11,7 +11,7 @@ Installing and starting EEGLAB
 
 First, download [EEGLAB](http://sccn.ucsd.edu/eeglab/install.html),
 which contains the tutorial dataset in the _sample_data_ subfolder of the EEGLAB distribution.
-When you uncompress EEGLAB you will obtain a folder named "eeglabxxxx"
+When you decompress EEGLAB you will obtain a folder named "eeglabxxxx"
 (note: current version number 'xxxx' will vary).
 
 Under Windows, MATLAB