diff --git a/code/renderergl2/tr_main.c b/code/renderergl2/tr_main.c
index 886a661b..389659c4 100644
--- a/code/renderergl2/tr_main.c
+++ b/code/renderergl2/tr_main.c
@@ -72,7 +72,7 @@ qboolean R_CompareVert(srfVert_t * v1, srfVert_t * v2, qboolean checkST)
 =============
 R_CalcTexDirs
 
-Lengyel, Eric. �Computing Tangent Space Basis Vectors for an Arbitrary Mesh�. Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
+Lengyel, Eric. "Computing Tangent Space Basis Vectors for an Arbitrary Mesh". Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
 =============
 */
 void R_CalcTexDirs(vec3_t sdir, vec3_t tdir, const vec3_t v1, const vec3_t v2,
@@ -104,7 +104,7 @@ void R_CalcTexDirs(vec3_t sdir, vec3_t tdir, const vec3_t v1, const vec3_t v2,
 =============
 R_CalcTangentSpace
 
-Lengyel, Eric. �Computing Tangent Space Basis Vectors for an Arbitrary Mesh�. Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
+Lengyel, Eric. "Computing Tangent Space Basis Vectors for an Arbitrary Mesh". Terathon Software 3D Graphics Library, 2001. http://www.terathon.com/code/tangent.html
 =============
 */
 vec_t R_CalcTangentSpace(vec3_t tangent, vec3_t bitangent, const vec3_t normal, const vec3_t sdir, const vec3_t tdir)