Update help text for the 'load' simulated LOAD configuration parameter

skoolkit/tap2sna.py

@@ -903,20 +903,28 @@ def _print_sim_load_config_help():
   'LOAD ""CODE' (depending on whether the tape begins with a Bytes block). If
   an alternative command line is required to load the tape, it can be specified
   by this parameter, where KEYS is a space-separated list of keys to press.
-  Each alphanumeric key is denoted by its digit or upper case letter. Multiple
+  Each alphanumeric key is denoted by its digit or letter. Multiple
   simultaneous keypresses are denoted by separating them with '+'. All BASIC
   tokens except those that contain a space are recognised. The following
   special tokens are also recognised:
 
-    CS     - CAPS SHIFT
-    SS     - SYMBOL SHIFT
-    SPACE  - SPACE
-    ENTER  - ENTER
-    GOTO   - GO TO (G)
-    GOSUB  - GO SUB (H)
-    DEFFN  - DEF FN (CS+SS SS+1)
-    OPEN#  - OPEN # (CS+SS SS+4)
-    CLOSE# - CLOSE # (CS+SS SS+5)
+    CS         - CAPS SHIFT
+    SS         - SYMBOL SHIFT
+    SPACE      - SPACE
+    ENTER      - ENTER
+    DOWN       - Cursor down (CS+6)
+    GOTO       - GO TO (g)
+    GOSUB      - GO SUB (h)
+    DEFFN      - DEF FN (CS+SS SS+1)
+    OPEN#      - OPEN # (CS+SS SS+4)
+    CLOSE#     - CLOSE # (CS+SS SS+5)
+    PC=address - Stop the keyboard input simulation at this address
+
+  The 'PC=address' token, if present, must appear last. The default address is
+  either 0x0605 (when a 48K Spectrum is being simulated) or 0x13BE (on a 128K
+  Spectrum). The simulated LOAD begins at this address.
+
+  ENTER is automatically appended to the command line if not already present.
 
 --sim-load-config machine=48/128