diff --git a/spacy/syntax/ner.pyx b/spacy/syntax/ner.pyx
index 999760ce0..73ef17534 100644
--- a/spacy/syntax/ner.pyx
+++ b/spacy/syntax/ner.pyx
@@ -281,7 +281,7 @@ cdef class Begin:
         elif preset_ent_iob == 3 and st.B_(1).ent_iob != 1:
             return False
         # Don't allow entities to extend across sentence boundaries
-        elif st.B_(1).sent_start:
+        elif st.B_(1).sent_start == 1:
             return False
         else:
             return label != 0 and not st.entity_is_open()
@@ -327,7 +327,7 @@ cdef class In:
         elif st.B_(1).ent_iob != preset_ent_iob:
             return False
         # Don't allow entities to extend across sentence boundaries
-        elif st.B_(1).sent_start:
+        elif st.B_(1).sent_start == 1:
             return False
         return st.entity_is_open() and label != 0 and st.E_(0).ent_type == label
 
diff --git a/website/usage/_facts-figures/_benchmarks.jade b/website/usage/_facts-figures/_benchmarks.jade
index b530b84de..dabf58795 100644
--- a/website/usage/_facts-figures/_benchmarks.jade
+++ b/website/usage/_facts-figures/_benchmarks.jade
@@ -13,7 +13,7 @@ p
     |  Their results and subsequent discussions helped us develop a novel
     |  psychologically-motivated technique to improve spaCy's accuracy, which
     |  we published in joint work with Macquarie University
-    |  #[+a("https://aclweb.org/anthology/D/D15/D15-1162.pdf") (Honnibal and Johnson, 2015)].
+    |  #[+a("https://www.aclweb.org/anthology/D/D15/D15-1162.pdf") (Honnibal and Johnson, 2015)].
 
 include _benchmarks-choi-2015