diff --git a/dev/hooks/pre-push.sh b/dev/hooks/pre-push.sh
index ee0158b..749b057 100755
--- a/dev/hooks/pre-push.sh
+++ b/dev/hooks/pre-push.sh
@@ -20,5 +20,15 @@ echo "............................"
 
 unset IFS; set -f
 
+if which codespell &>/dev/null; then
+	echo "Running codespell"
+	echo "............................" 
+	codespell -B 1 --skip="*.log,*.html,*.txt,.git*" -L "ba"
+	echo "if there are (to many) errors shown, consider running:"
+	echo "codespell -i 3 -w --skip=\"*.log,*.html,*.txt,.git*\""
+else
+	echo "consider installing codespell: pip install codespell"
+fi
+echo "............................" 
 # note date of last push for version
 touch "${LASTPUSH}"
diff --git a/doc/5_practice.md b/doc/5_practice.md
index 93ec3fd..84e6517 100644
--- a/doc/5_practice.md
+++ b/doc/5_practice.md
@@ -77,7 +77,7 @@ If a command need more than 2-3 lines of code, you should use a function to sepa
 mycommands() {
 
 	case "$MESSAGE" in
-		'/process'*) # logic for /process is done in process_message 
+		'/doit'*) # logic for /doit is done in process_message 
 			result="$(process_message "$MESSAGE")"
 			send_normal_message "${CHAT[ID]}" "$result" 
 			;;
diff --git a/doc/7_develop.md b/doc/7_develop.md
index 22e8944..e9e561f 100644
--- a/doc/7_develop.md
+++ b/doc/7_develop.md
@@ -243,7 +243,7 @@ data="$(cat file)" -> data="$(<"file")"
 
 DIR="$(dirname $0) -> DIR="${0%/*}"
 
-IAM="($basename $0)" -> IAM="${0##*/}*
+PROG="($basename $0)" -> PROG="${0##*/}*
 
 ADDME="$ADDME something to add" -> ADDME+=" something to add""