diff --git a/letsencrypt.sh b/letsencrypt.sh
index 6736e24..7d6990e 100755
--- a/letsencrypt.sh
+++ b/letsencrypt.sh
@@ -11,9 +11,9 @@ BASEDIR="${SCRIPTDIR}"
 # Check for script dependencies
 check_dependencies() {
   curl -V > /dev/null 2>&1 || _exiterr "This script requires curl."
-  openssl version > /dev/null 2>&1 || _exiterr "This script requres an openssl binary."
-  sed -E "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requres sed with support for extended (modern) regular expressions."
-  grep -V > /dev/null 2>&1 || _exiterr "This script requres grep."
+  openssl version > /dev/null 2>&1 || _exiterr "This script requires an openssl binary."
+  sed -E "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions."
+  grep -V > /dev/null 2>&1 || _exiterr "This script requires grep."
   mktemp -u -t XXXXXX > /dev/null 2>&1 || _exiterr "This script requires mktemp."
 }