diff --git a/src/ontology/mondo-ingest.Makefile b/src/ontology/mondo-ingest.Makefile
index 56f44d16..31f0ff27 100644
--- a/src/ontology/mondo-ingest.Makefile
+++ b/src/ontology/mondo-ingest.Makefile
@@ -376,7 +376,7 @@ define build_mondo
 	rm -rf ./mondo/ && \
 	git clone --depth 1 https://github.com/monarch-initiative/mondo && \
 	cd mondo/src/ontology && \
-	make mondo.owl mappings -B MIR=false IMP=false MIR=false &&\
+	make mondo.owl mappings -B MIR=false IMP=false &&\
 	latest_hash=$$(git rev-parse origin/master) && \
 	echo "$$latest_hash" > $(1)
 endef
diff --git a/src/scripts/sync_subclassof.py b/src/scripts/sync_subclassof.py
index 55749309..5b1d793d 100644
--- a/src/scripts/sync_subclassof.py
+++ b/src/scripts/sync_subclassof.py
@@ -322,7 +322,7 @@ def sync_subclassof(
             '\nSee also: https://github.com/monarch-initiative/mondo-ingest/issues/525'
             '\n\nExiting.')
 
-    # Determine hierarchy diferences -----------------------------------------------------------------------------------
+    # Determine hierarchy differences -----------------------------------------------------------------------------------
     # todo: remove unused, commented out vars? (they were created in anticipation of possible cases)
     logging.info('Calculating various differences in hierarchies between source and Mondo')
     # Find which edges appear in both Mondo and source, or only in one or the other