diff --git a/capa/features/extractors/elf.py b/capa/features/extractors/elf.py
index c3379d5d..d6f21bfc 100644
--- a/capa/features/extractors/elf.py
+++ b/capa/features/extractors/elf.py
@@ -782,7 +782,7 @@ def guess_os_from_symtab(elf) -> Optional[OS]:
 
     if None in (strtab_buf, symtab_buf):
         # executable does not contain a symbol table
-		# or the symbol's names are stripped
+        # or the symbol's names are stripped
         return None
     
     symtab = SYMTAB(