Help/dev: Fix formatting in CMake Documentation Guide

Help/dev/documentation.rst

@@ -310,17 +310,17 @@ are suppressed inside of square- or angle-brackets.  This behavior can be
 controlled using the ``:break:`` option; note, however, that there is no way
 to *force* a line break.  The default value is 'smart'.  Allowable values are:
 
-  ``all``
-    Allow line breaks at any whitespace.
+``all``
+  Allow line breaks at any whitespace.
 
-  ``smart`` (default)
-    Allow line breaks at whitespace, except between matched square- or
-    angle-brackets.  For example, if a signature contains the text
-    ``<input>... [OUTPUT_VARIABLE <out-var>]``, a line break would be allowed
-    after ``<input>...`` but not between ``OUTPUT_VARIABLE`` and ``<out-var>``.
+``smart`` (default)
+  Allow line breaks at whitespace, except between matched square- or
+  angle-brackets.  For example, if a signature contains the text
+  ``<input>... [OUTPUT_VARIABLE <out-var>]``, a line break would be allowed
+  after ``<input>...`` but not between ``OUTPUT_VARIABLE`` and ``<out-var>``.
 
-  ``verbatim``
-    Allow line breaks only where the source document contains a newline.
+``verbatim``
+  Allow line breaks only where the source document contains a newline.
 
 The directive treats its content as the documentation of the signature(s).
 Indent the signature documentation accordingly.