Fixes versions 16 and 17

_fc-versions/chlorine.md

@@ -14,8 +14,10 @@ releases:
           help_link: /html/installations/chlorine.html
         - name: User manual
           link: /download/user-manual-Chlorine-20180501.pdf
+        - name: Plugin-In development guide
+          link: /download/plugin-development-guide-Chlorine-20180501.pdf
           help: Hello plug-in tutorial archive
-          help_link: download/hello-Chlorine-20180501.tar.gz
+          help_link: /download/hello-Chlorine-20180501.tar.gz
         - name: API Documentation
           link: /download/frama-c-Chlorine-20180501_api.tar.gz
         - name: ACSL 1.13 (Chlorine implementation)

_fc-versions/sulfur.md

@@ -14,8 +14,10 @@ releases:
           help_link: /html/installations/sulfur.html
         - name: User manual
           link: /download/user-manual-Sulfur-20171101.pdf
+        - name: Plugin-In development guide
+          link: /download/plugin-development-guide-Sulfur-20171101.pdf
           help: Hello plug-in tutorial archive
-          help_link: download/hello-Sulfur-20171101.tar.gz
+          help_link: /download/hello-Sulfur-20171101.tar.gz
         - name: API Documentation
           link: /download/frama-c-Sulfur-20171101_api.tar.gz
         - name: ACSL 1.12 (Sulfur implementation)