[devhelp] help: installing-api-documentation: clarify a paragraph

[Sébastien Wilmet <swilmet src gnome org>]

commit faf87b0d03301090f86330d630180071b5412bca
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Apr 3 23:05:37 2020 +0200

    help: installing-api-documentation: clarify a paragraph
    
    Thanks to Andre Klapper for the suggested rewording.
    And thanks to Rafael Fontenelle for the bug report.
    
    Fixes https://gitlab.gnome.org/GNOME/devhelp/-/issues/19

 help/C/installing-api-documentation.page | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/help/C/installing-api-documentation.page b/help/C/installing-api-documentation.page
index 2df644d7..837226cf 100644
--- a/help/C/installing-api-documentation.page
+++ b/help/C/installing-api-documentation.page
@@ -45,9 +45,10 @@ SPDX-License-Identifier: CC-BY-SA-4.0
     <item><p><code>$XDG_DATA_DIRS/gtk-doc/html/</code></p></item>
   </list>
   <p>
-    Note that the two latter consist of :-separated lists of directories to
-    look for. Those environment variables are normally set up by the desktop
-    environment or distribution.
+    Note that the two latter consist of lists of directories to look for.
+    Directory values are separated by <code>:</code> characters. Those
+    environment variables are normally set up by the desktop environment or
+    distribution.
   </p>
   <p>
     Examples of locations to index files with <code>$XDG_DATA_HOME</code> on a