[doc] Fix MediaWikiVersion doc string

Change-Id: I25c2b9223659327e29c68cd09864ea8514091b62
---
M pywikibot/tools/__init__.py
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pywikibot/tools/__init__.py b/pywikibot/tools/__init__.py
index 61ca179..96bd494 100644
--- a/pywikibot/tools/__init__.py
+++ b/pywikibot/tools/__init__.py
@@ -409,7 +409,7 @@
 
     Two versions are equal if their normal version and dev version are equal. A
     version is greater if the normal version or dev version is greater. For
-    example:
+    example::
 
         1.34 < 1.34.1 < 1.35wmf1 < 1.35alpha < 1.35beta1 < 1.35beta2
         < 1.35-rc-1 < 1.35-rc.2 < 1.35

