diff --git a/source/games/exhumed/src/sound.cpp b/source/games/exhumed/src/sound.cpp
index d6666ae36..6b4d49f53 100644
--- a/source/games/exhumed/src/sound.cpp
+++ b/source/games/exhumed/src/sound.cpp
@@ -377,7 +377,7 @@ void StartSwirlies()
     nNextFreq = 19000;
     nSwirlyFrames = 0;
 
-    for (int i = 0; i <= 4; i++)
+    for (int i = 0; i < 4; i++)
         StartSwirly(i);
 }
 
@@ -390,7 +390,7 @@ void StartSwirlies()
 void UpdateSwirlies()
 {
     nSwirlyFrames++;
-    for (int i = 0; i <= 4; i++)
+    for (int i = 0; i < 4; i++)
     {
         if (!soundEngine->IsSourcePlayingSomething(SOURCE_Swirly, &swirlysources[i], -1))
             StartSwirly(i);
@@ -463,7 +463,7 @@ void EXSoundEngine::CalcPosVel(int type, const void* source, const float pt[3],
         {
             int which = *(int*)source;
             *pos = fcampos;
-            // Should be positioned in 90¡ intervals.
+            // Should be positioned in 90° intervals.
             switch (which)
             {
             default: