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diff --git a/doc/TemplateSyntax.txt b/doc/TemplateSyntax.txt
index 2ed1e546..75a42b2b 100644
--- a/doc/TemplateSyntax.txt
+++ b/doc/TemplateSyntax.txt
@@ -14,10 +14,11 @@ A template is constructed from a charstream. Everything that is not in "<?" to "
 - <?=s,"some data",My %s text?> will insert "some data" into the translated text
 - <?=s,!"some data",My %s text?> will insert "some data" into the translated text literally (not HTML-escaped)
   
-- <? if($variable) { ?>
-  Output/execute the text until "<? } ?>" only if $variable not null or Boolean.FALSE.
-  
-- <? foreach($variable) { ?>
+- <? if($variable) { ?> ... <? } ?>
+  Output/execute the text until "<? } ?>" only if $variable is Boolean.TRUE (<=> !Boolean.FALSE) or not null. 
+- <? if(...) { ?> ... <? } else { ?> ... <? } ?>
+
+- <? foreach($variable) { ?> ... <? } ?>
   If $variable is an "IterableDataset"
   Output/execute the text until "<? } ?>" repeated as $variable suggests. 
   Special variables that $variable defines can be used in the inner text.