Grammar tweaks

Author: mjackson

scripts/release.sh

@@ -11,7 +11,7 @@ printf "Next version (current is $current_version)? "
 read next_version
 
 if ! [[ $next_version =~ ^[0-9]\.[0-9]+\.[0-9](-.+)? ]]; then
-  echo "Version must be a valid semver string i.e. 1.0.2, 2.3.0-beta.1"
+  echo "Version must be a valid semver string, e.g. 1.0.2 or 2.3.0-beta.1"
   exit 1
 fi