public void setSymbolComment(String comment) {
		lock.acquire();
		try {
			checkDeleted();
			record.setString(SymbolDatabaseAdapter.SYMBOL_COMMENT_COL, comment);
			updateRecord();
		}
		finally {
			lock.release();
		}
	}
Update variable symbol comment (no change event is issued)
@param comment variable comment
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/VariableSymbolDB.java