Update GLOSSARY.md

'idioma' is used more as a reference to a comunication system such as English, Spanish, Japanese, etc.
'lenguaje' is more generalized and more suitable for refer to a programming language. We say 'lenguaje de programación' as "programming language".

Author: tomasgvivo

GLOSSARY.md

@@ -55,6 +55,7 @@ some consistence, here you can find a glossary.
 
 #l
  * language: idioma
+ * language (programming): lenguaje
  * lock: bloquear
 
 #s