update readme

1 files changed, 8 insertions, 1 deletions

diff --git a/README.md b/README.md
index 58e0ac6..45445f8 100644
--- a/README.md
+++ b/README.md
@@ -276,7 +276,14 @@ Other 'special' parameters can be used, here's a list of all the possible parame
 
     DB      - Store one or more data bytes at the current location.
     
-    STR     - Stores a string, the first byte is the length of the string. 
+    STR     - Stores a string, the first byte is the length of the string, 
+              followed by the string content, 
+              The effect is equivalent to . DB is preceded with a length, 
+              here's a small example:
+                  ;use DB specified a length + string:
+                  DB 12,"Hello World!"
+                  ;can be replaced with STR:
+                  STR "Hello World!"
     
     DW      - Store data words.