Fix more typos (#658)

util/build-packages

@@ -166,7 +166,7 @@ update_version() {
    echo "OK"   
    
    echo -n "Updating version in sphinx-build/conf.py... "
-   # What Sphinx calls verison, we call series; what it calls release we
+   # What Sphinx calls version, we call series; what it calls release we
    # call version.
    cd $SPHINX_CONFIG_DIR
    sed -i'.bak' -e "s/^version = .*/version = '$SERIES'/" conf.py

util/check-tool

@@ -157,7 +157,7 @@ sub check_module_usage {
       Transformers   => 1,
    );
 
-   # Many tools dyanmically instantiate objs like $plugin="WatchStatus",
+   # Many tools dynamically instantiate objs like $plugin="WatchStatus",
    # $plugin->new().  So this script can't detect that.
    my %dynamic = (
       'pt-query-digest' => {

util/log-entries

@@ -2,7 +2,7 @@
 
 version=$1
 if [ -z "$version" ]; then
-   echo "Usage: log-entires VERSION" >&2
+   echo "Usage: log-entries VERSION" >&2
    echo "Example: cat Changelog | log-entries 1.0.1" >&2
    exit 1
 fi