diff --git a/README.md b/README.md
index 6c4f3b7..dfb06f5 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ To fuzz the project, you need to run ChainFuzz and provide the metadata file gen
 
 Additional options:
 - `-o 8` generates additional statistics about the called functions and their failure rates
-- `--loglevel=4` provides additional insides into inputs and outputs of the functions
+- `--loglevel=4` provides additional insights into inputs and outputs of the functions
 
 ### Results
 
diff --git a/build/extract.sh b/build/extract.sh
index 25a1e84..05fcedb 100755
--- a/build/extract.sh
+++ b/build/extract.sh
@@ -85,12 +85,12 @@ extract_transactions() {
 	printf "\n${YELLOW} deploying contracts on Ganache${NC}\n"
 	rm -rf build
 	truffle deploy # > /dev/null TODO
-	printf "\n${GREEN} contracts has been deployed on Ganache${NC}\n"
+	printf "\n${GREEN} contracts have been deployed on Ganache${NC}\n"
 	# execute transaction extraction javascript in truffle console
 	truffle compile
 	printf "\n${YELLOW} extracting transactions ${NC}\n"
 	truffle exec ${extract_script}
-	printf "\n${GREEN} transactions has been extracted${NC}\n"
+	printf "\n${GREEN} transactions have been extracted${NC}\n"
 	# rename transactions file according to project VERSION
 	mv ${TRUFFLE_DIR}/transactions.json ${TRUFFLE_DIR}/fuzz_config/transactions_$VERSION.json
 }