diff --git a/.bashrc b/.bashrc
index 6f635ce..c28961f 100644
--- a/.bashrc
+++ b/.bashrc
@@ -139,6 +139,13 @@ gitpush() {
 }
 
 swp() {
+  if [ "$1"="-h" ]; then
+    echo 'This tool is usefull to remove .swp files'
+    echo 'Usage: swp [-d dir] [-noi]'
+    echo 'if you do not specify the directory in -d param, search starts from the current'
+    echo 'if you do not specify the -noi param files removing is interactive'
+    return 1
+  fi
   cpath=.
   interactive='-i'
   while [ -n "$1" ]; do # while loop starts
@@ -159,6 +166,14 @@ swp() {
 }
 
 purgefext() {
+  if [ "$1"="-h" ]; then
+    echo 'This tool is usefull to remove specific files type'
+    echo 'Usage: purgefext -e ext [-d dir] [-noi]'
+    echo 'the e param is mandatory: is the files extension you want to remove'
+    echo 'if you do not specify the directory in -d param, search starts from the current'
+    echo 'if you do not specify the -noi param files removing is interactive'
+    return 1
+  fi
   cpath=.
   interactive='-i'
   ext=''