diff --git a/comma/util/symbols.py b/comma/util/symbols.py
index 42273c6..f0056bf 100755
--- a/comma/util/symbols.py
+++ b/comma/util/symbols.py
@@ -17,9 +17,9 @@ LOGGER = logging.getLogger(__name__)
 
 def get_symbols(repo_dir, files):
     """
-    get_symbols: This function returns a list of symbols for given files
-    files: HyperV files list
-    @return symbol_list: list of symbols generated through ctags
+    Returns a set of symbols for given files
+    files: iterable of files
+    returns: set of symbols generated through ctags
     """
     command = "ctags -R -x −−c−kinds=f {}".format(
         " ".join(files) + " | awk '{ if ($2 == \"function\") print $1 }'"
@@ -34,7 +34,7 @@ def get_symbols(repo_dir, files):
         check=True,
         universal_newlines=True,
     )
-    return process.stdout.splitlines()
+    return set(process.stdout.splitlines())
 
 
 def map_symbols_to_patch(
@@ -62,14 +62,14 @@ def map_symbols_to_patch(
         for commit in commits:
             # Get symbols before patch is applied
             if before_patch_apply is None:
-                before_patch_apply = set(get_symbols(repo.working_tree_dir, files))
+                before_patch_apply = get_symbols(repo.working_tree_dir, files)
 
             # Checkout commit
             repo.head.reference = repo.commit(commit)
             repo.head.reset(index=True, working_tree=True)
 
             # Get symbols after patch is applied
-            after_patch_apply = set(get_symbols(repo.working_tree_dir, files))
+            after_patch_apply = get_symbols(repo.working_tree_dir, files)
 
             # Compare symbols before and after patch
             diff_symbols = after_patch_apply - before_patch_apply
diff --git a/pyproject.toml b/pyproject.toml
index 999667c..5ab5915 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -148,7 +148,8 @@ spelling-dict = "en_US"
 spelling-ignore-words = [
   "CLI", "commit's", "ctags",
   "distro", "distros",
-  "HyperV", "isort",
+  "HyperV",
+  "iterable", "isort",
   "monitoringSubject",
   "namespace", "Nox",
   "ORM",