diff --git a/runtime/syntax/matlab.vim b/runtime/syntax/matlab.vim
index 7d20368..3828f3e 100644
--- a/runtime/syntax/matlab.vim
+++ b/runtime/syntax/matlab.vim
@@ -4,6 +4,8 @@
 " Credits:	Preben 'Peppe' Guldberg <peppe-vim@wielders.org>
 "		Original author: Mario Eusebio
 " Last Change:	Wed Jan 13 11:12:34 CET 2010
+" 		sinh added to matlab implicit commands
+" Change History:
 " 		- 'global' and 'persistent' keyword are now recognized
 
 " For version 5.x: Clear all syntax items
@@ -68,7 +70,7 @@
 syn keyword matlabFunction		error eval function
 
 syn keyword matlabImplicit		abs acos atan asin cos cosh exp log prod sum
-syn keyword matlabImplicit		log10 max min sign sin sqrt tan reshape
+syn keyword matlabImplicit		log10 max min sign sin sinh sqrt tan reshape
 
 syn match matlabError	"-\=\<\d\+\.\d\+\.[^*/\\^]"
 syn match matlabError	"-\=\<\d\+\.\d\+[eEdD][-+]\=\d\+\.\([^*/\\^]\)"