diff --git a/runtime/syntax/tcl.vim b/runtime/syntax/tcl.vim
index 04dbbd2..64efd6f 100644
--- a/runtime/syntax/tcl.vim
+++ b/runtime/syntax/tcl.vim
@@ -168,7 +168,7 @@
 
 " PACK
 " commands associated with pack
-syn keyword tcltkPackSwitch	contained	forget info propogate slaves
+syn keyword tcltkPackSwitch	contained	forget info propagate slaves
 syn keyword tcltkPackConfSwitch	contained	after anchor before expand fill in ipadx ipady padx pady side
 syn region tcltkCommand matchgroup=tcltkCommandColor start="\<pack\>" matchgroup=NONE skip="^\s*$" end="]\|[^\\]*\s*$"he=e-1  contains=tclLineContinue,tcltkPackSwitch,tcltkPackConf,tcltkPackConfSwitch,tclNumber,tclVarRef,tclString,tcltkCommand keepend