Fix errors in stats API docs

Signed-off-by: Michal Čihař <michal@cihar.com>

docs/api.rst

@@ -110,7 +110,7 @@ Weblate provides various exports to allow you further process the data.
                 "translated": 436, 
                 "translated_percent": 100.0, 
                 "translated_words": 3201, 
-                "url": "http://hosted.weblate.org/engage/weblate/cs/"
+                "url": "http://hosted.weblate.org/engage/weblate/cs/",
                 "url_translate": "http://hosted.weblate.org/projects/weblate/master/cs/"
             }, 
             {
@@ -127,7 +127,7 @@ Weblate provides various exports to allow you further process the data.
                 "translated": 319, 
                 "translated_percent": 73.2, 
                 "translated_words": 3201, 
-                "url": "http://hosted.weblate.org/engage/weblate/nl/"
+                "url": "http://hosted.weblate.org/engage/weblate/nl/",
                 "url_translate": "http://hosted.weblate.org/projects/weblate/master/nl/"
             }, 
             {
@@ -144,7 +144,7 @@ Weblate provides various exports to allow you further process the data.
                 "translated": 312, 
                 "translated_percent": 71.6, 
                 "translated_words": 3201, 
-                "url": "http://hosted.weblate.org/engage/weblate/el/"
+                "url": "http://hosted.weblate.org/engage/weblate/el/",
                 "url_translate": "http://hosted.weblate.org/projects/weblate/master/el/"
             }, 
         ]
@@ -157,6 +157,10 @@ Weblate provides various exports to allow you further process the data.
         number and percentage of failing checks
     ``fuzzy``, ``fuzzy_percent``
         number and percentage of fuzzy strings
+    ``total_words``
+        total number of words
+    ``translated_words``
+        number of translated words
     ``last_author``
         name of last author
     ``last_change``
@@ -165,7 +169,7 @@ Weblate provides various exports to allow you further process the data.
         language name
     ``total``
         total number of strings
-    ``translated``, ``translated_percet``
+    ``translated``, ``translated_percent``
         number and percentage of translated strings
     ``url``
         URL to access the translation (engagement URL)