DOC fix a typo
@@ -191,7 +191,7 @@ class LatentDirichletAllocation(BaseEstimator, TransformerMixin):
Number of documents to use in each EM iteration. Only used in online
learning.
- evaluate_every : int optional (default=0)
+ evaluate_every : int, optional (default=0)
How often to evaluate perplexity. Only used in `fit` method.
set it to 0 or negative number to not evalute perplexity in
training at all. Evaluating perplexity can help you check convergence
