fix markup

diff --git a/docs/users_guide/glasgow_exts.xml b/docs/users_guide/glasgow_exts.xml
index e19f5d0..784f569 100644 (file)
--- a/docs/users_guide/glasgow_exts.xml
+++ b/docs/users_guide/glasgow_exts.xml
@@ -87,7 +87,7 @@ documentation</ulink> describes all the libraries that come with GHC.
           <option>-XGeneralizedNewtypeDeriving</option>,
           <option>-XTypeFamilies</option>.
            Enabling these options is the <emphasis>only</emphasis> 
-           effect of <options>-fglasgow-exts</options>.
+           effect of <option>-fglasgow-exts</option>.
           We are trying to move away from this portmanteau flag, 
          and towards enabling features individually.</para>