diff --git a/src/runtime/c/pgf/namespace.h b/src/runtime/c/pgf/namespace.h
index 96faab9cd..2a0b2c694 100644
--- a/src/runtime/c/pgf/namespace.h
+++ b/src/runtime/c/pgf/namespace.h
@@ -287,7 +287,7 @@ Namespace<V> namespace_insert(Namespace<V> map, ref<V> value)
         return Node<V>::new_node(value,map->left,map->right);
     }
 }
-
+    
 template <class V>
 ref<V> namespace_lookup(Namespace<V> map, PgfText *name)
 {
diff --git a/src/runtime/c/pgf/pgf.h b/src/runtime/c/pgf/pgf.h
index d8f2c31d5..7ede7d942 100644
--- a/src/runtime/c/pgf/pgf.h
+++ b/src/runtime/c/pgf/pgf.h
@@ -247,6 +247,9 @@ void pgf_free(PgfDB *pgf);
 PGF_API_DECL
 void pgf_free_revision(PgfDB *pgf, PgfRevision revision);
 
+/* Returns a newly allocated text which contains the abstract name of
+ * the grammar. The text must be released with a call to free.
+ */
 PGF_API_DECL
 PgfText *pgf_abstract_name(PgfDB *db, PgfRevision revision,
                            PgfExn* err);
diff --git a/src/runtime/python/pypgf.c b/src/runtime/python/pypgf.c
index e04ce4076..39baec9ec 100644
--- a/src/runtime/python/pypgf.c
+++ b/src/runtime/python/pypgf.c
@@ -1777,6 +1777,7 @@ PGF_getAbstractName(PGFObject *self, void *closure)
     }
 
     PyObject *name = PyString_FromStringAndSize(txt->text, txt->size);
+    free(txt);
     return name;
 }