docs: replace more references to lotus-shed with lotus in ChainIndexer docs (#12708)

Ref: #12654

Author: rvagg

documentation/en/chain-indexer-overview-for-operators.md

@@ -17,7 +17,7 @@
 - [Backfill](#backfill)
   - [Backfill Timing](#backfill-timing)
   - [Backfill Disk Space Requirements](#backfill-disk-space-requirements)
-  - [`lotus index validate-backfill` CLI tool](#lotus-shed-chainindex-validate-backfill-cli-tool)
+  - [`lotus index validate-backfill` CLI tool](#lotus-index-validate-backfill-cli-tool)
     - [Usage](#usage)
 - [Regular Checks](#regular-checks)
 - [Downgrade Steps](#downgrade-steps)
@@ -233,7 +233,7 @@ The command validates the chain index entries for each epoch in the specified ra
 
 You can learn about how to use the tool with `lotus index validate-backfill -h`.
 
-Note: If you are using a non-standard Lotus repo directory then you can run the command with `lotus-shed -repo /path/to/lotus/repo chainindex validate-backfill ...`, or by setting the `LOTUS_REPO` environment variable.
+Note: If you are using a non-standard Lotus repo directory then you can run the command with `lotus -repo /path/to/lotus/repo chainindex validate-backfill ...`, or by setting the `LOTUS_REPO` environment variable.
 
 ## Regular Checks
 
@@ -252,8 +252,8 @@ current_date=$(date '+%Y-%m-%d %H:%M:%S')
 # not expect regular errors in the index.
 BACKFILL_OPTION=false
 
-# Path to the lotus-shed binary
-LOTUS_SHED_PATH="/path/to/lotus-shed"
+# Path to the lotus binary
+LOTUS_BIN_PATH="/path/to/lotus"
 
 # Get the current chain head epoch number
 start_epoch=$(lotus chain head --height)
@@ -267,7 +267,7 @@ epochs_to_validate=3000
 end_epoch=$((start_epoch - epochs_to_validate + 1))
 
 # Run the Lotus chainindex validate-backfill command
-validation_output=$("$LOTUS_SHED_PATH" chainindex validate-backfill --from="$start_epoch" --to="$end_epoch" --backfill="$BACKFILL_OPTION" --quiet 2>&1)
+validation_output=$("$LOTUS_BIN_PATH" chainindex validate-backfill --from="$start_epoch" --to="$end_epoch" --backfill="$BACKFILL_OPTION" --quiet 2>&1)
 
 # Check the exit status of the command to determine if errors occurred
 if [ $? -ne 0 ]; then