Index: gcc/fortran/match.c
===================================================================
--- gcc/fortran/match.c	(revision 254081)
+++ gcc/fortran/match.c	(working copy)
@@ -6204,7 +6204,7 @@
   return MATCH_YES;
 
 syntax:
-  gfc_error ("Ssyntax error in TYPE IS specification at %C");
+  gfc_error ("Syntax error in TYPE IS specification at %C");
 
 cleanup:
   if (c != NULL)
Index: gcc/fortran/ChangeLog
===================================================================
--- gcc/fortran/ChangeLog	(revision 254081)
+++ gcc/fortran/ChangeLog	(working copy)
@@ -1,3 +1,7 @@
+2017-10-25  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
+
+	* match.c (gfc_match_type_is): Fix typo in error message.
+
 2017-10-21  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/82586