diff --git a/man/systemd.syntax.xml b/man/systemd.syntax.xml
index 3c67e92dd5..67cd640eea 100644
--- a/man/systemd.syntax.xml
+++ b/man/systemd.syntax.xml
@@ -73,7 +73,8 @@
backslash is replaced by a space character. This may be used to wrap long lines. The limit on
line length is very large (currently 1 MB), but it is recommended to avoid such long lines and
use multiple directives, variable substitution, or other mechanism as appropriate for the given
- file type.
+ file type. When a comment line or lines follow a line ending with a backslash, the comment block
+ is ignored, so the continued line is concatenated with whatever follows the comment block.
[Section A]
KeyOne=value 1
@@ -85,6 +86,12 @@ KeyTwo=value 2
Setting="something" "some thing" "…"
KeyTwo=value 2 \
value 2 continued
+
+[Section C]
+KeyThree=value 2\
+# this line is ignored
+; this line is ignored too
+ value 2 continued
Boolean arguments used in configuration files can be written in