diff --git a/lib/liquid/lexer.rb b/lib/liquid/lexer.rb
index 89e08499..19234283 100644
--- a/lib/liquid/lexer.rb
+++ b/lib/liquid/lexer.rb
@@ -39,7 +39,7 @@ module Liquid
           if s = SPECIALS[c]
             [s,c]
           else
-            raise SyntaxError, "Unexpected character #{c}."
+            raise SyntaxError, "Unexpected character #{c}"
           end
         end
 
diff --git a/lib/liquid/parser.rb b/lib/liquid/parser.rb
index 749c1a75..0c499d1c 100644
--- a/lib/liquid/parser.rb
+++ b/lib/liquid/parser.rb
@@ -59,7 +59,7 @@ module Liquid
         consume(:close_round)
         "(#{first}..#{last})"
       else
-        raise SyntaxError, "#{token} is not a valid expression."
+        raise SyntaxError, "#{token} is not a valid expression"
       end
     end