minor commenting update

day4/part 1.sh

@@ -9,7 +9,7 @@ vert(){
   done > $1.vert
   sed -i '/^ *$/d' $1.vert
 }
-# tilts file leftwards
+# "tilts" files
 diag(){
   linecount=$(wc -l <$1)
   while read; do
@@ -33,13 +33,13 @@ diag(){
 }
 # tilt/turn the file, searching back and forth
 search(){
-  # this is somwhat confusing
+  # this is somewhat confusing
   # turn 90 degrees
   vert $1
-  # tilt counter-clockwise 45
+  # "tilt" counter-clockwise 45
   diag $1 left
   vert $1.diag.left
-  # tilt clockwise 45
+  # "tilt" clockwise 45
   diag $1 right
   vert $1.diag.right
   # we count seperately so searchs can overlap