diff --git a/syntax/maude.vim b/syntax/maude.vim
index dadc0df..f01b311 100644
--- a/syntax/maude.vim
+++ b/syntax/maude.vim
@@ -11,8 +11,18 @@ setlocal iskeyword+=-
 setlocal commentstring=***%s comments=b:***,b:---
 
 
-syn keyword maudeModule mod endm fmod endfm th endth fth endfth is
-hi def link maudeModule Structure
+syn keyword maudeMod mod endm th endth
+hi def link maudeMod Structure
+
+syn keyword maudeFMod fmod endfm fth endfth smod endsm is
+hi def link maudeFMod maudeMod
+
+syn keyword maudeSMod smod endsm sth endsth
+hi def link maudeSMod maudeMod
+
+syn keyword maudeIs is
+hi def link maudeIs maudeMod
+
 
 syn keyword maudeView view from to endv
 hi def link maudeView maudeModule
@@ -39,6 +49,12 @@ hi def link maudeRl maudeEq
 syn keyword maudeMb mb cmb
 hi def link maudeMb maudeEq
 
+syn keyword maudeStrat strat strats
+hi def link maudeStrat Repeat
+
+syn keyword maudeSd sd csd
+hi def link maudeSd maudeEq
+
 syn keyword maudeIf if
 syn match maudeIf '/\\'
 hi def link maudeIf Conditional