diff --git a/language_learning/2021.06.07_find_common_words_on_APS_abstracts/collect_prb_abstracts.py b/language_learning/2021.06.07_find_common_words_in_APS_abstracts/collect_prb_abstracts.py
similarity index 100%
rename from language_learning/2021.06.07_find_common_words_on_APS_abstracts/collect_prb_abstracts.py
rename to language_learning/2021.06.07_find_common_words_in_APS_abstracts/collect_prb_abstracts.py
diff --git a/language_learning/2021.06.07_find_common_words_on_APS_abstracts/collect_prl_abstracts.py b/language_learning/2021.06.07_find_common_words_in_APS_abstracts/collect_prl_abstracts.py
similarity index 100%
rename from language_learning/2021.06.07_find_common_words_on_APS_abstracts/collect_prl_abstracts.py
rename to language_learning/2021.06.07_find_common_words_in_APS_abstracts/collect_prl_abstracts.py
diff --git a/language_learning/2021.06.07_find_common_words_on_APS_abstracts/count_words.py b/language_learning/2021.06.07_find_common_words_in_APS_abstracts/count_words.py
similarity index 100%
rename from language_learning/2021.06.07_find_common_words_on_APS_abstracts/count_words.py
rename to language_learning/2021.06.07_find_common_words_in_APS_abstracts/count_words.py