diff --git a/quakespasm/Quake/gl_mesh.c b/quakespasm/Quake/gl_mesh.c
index 0a21a403..ad7b0ac8 100644
--- a/quakespasm/Quake/gl_mesh.c
+++ b/quakespasm/Quake/gl_mesh.c
@@ -355,6 +355,13 @@ void GL_MakeAliasModelDisplayLists (qmodel_t *m, aliashdr_t *hdr)
 unsigned int r_meshindexbuffer = 0;
 unsigned int r_meshvertexbuffer = 0;
 
+/*
+================
+GL_MakeAliasModelDisplayLists_VBO
+
+Original code by MH from RMQEngine
+================
+*/
 void GL_MakeAliasModelDisplayLists_VBO (void)
 {
 	int i, j;
@@ -450,6 +457,13 @@ extern	float	r_avertexnormals[NUMVERTEXNORMALS][3];
 GLuint r_meshvbo = 0;
 GLuint r_meshindexesvbo = 0;
 
+/*
+================
+GLMesh_LoadVertexBuffers
+
+Original code by MH from RMQEngine
+================
+*/
 void GLMesh_LoadVertexBuffers (void)
 {
 	int j;
diff --git a/quakespasm/Quake/gl_model.c b/quakespasm/Quake/gl_model.c
index 4bf29171..1cb58449 100644
--- a/quakespasm/Quake/gl_model.c
+++ b/quakespasm/Quake/gl_model.c
@@ -2515,7 +2515,7 @@ void Mod_LoadAliasModel (qmodel_t *mod, void *buffer)
 		Sys_Error ("model %s has too many vertices", mod->name);
 
 	pheader->numtris = LittleLong (pinmodel->numtris);
-	
+
 	if (pheader->numtris <= 0)
 		Sys_Error ("model %s has no triangles", mod->name);
 
diff --git a/quakespasm/Quake/gl_model.h b/quakespasm/Quake/gl_model.h
index 8bc1d879..d724fb32 100644
--- a/quakespasm/Quake/gl_model.h
+++ b/quakespasm/Quake/gl_model.h
@@ -282,6 +282,7 @@ Alias models are position independent, so the cache manager can move them.
 ==============================================================================
 */
 
+//-- from RMQEngine
 // split out to keep vertex sizes down
 typedef struct aliasmesh_s
 {
@@ -295,11 +296,11 @@ typedef struct meshxyz_s
 	float normal[3];
 } meshxyz_t;
 
-
 typedef struct meshst_s
 {
 	float st[2];
 } meshst_t;
+//--
 
 typedef struct
 {
diff --git a/quakespasm/Quake/r_alias.c b/quakespasm/Quake/r_alias.c
index 45de854c..b40cc30a 100644
--- a/quakespasm/Quake/r_alias.c
+++ b/quakespasm/Quake/r_alias.c
@@ -86,7 +86,9 @@ void *GLARB_GetNormalOffset (aliashdr_t *hdr, int pose)
 
 /*
 =============
-GL_DrawAliasFrame_GLSL
+GL_DrawAliasFrame_GLSL -- ericw
+
+Based on code by MH from RMQEngine
 =============
 */
 void GL_DrawAliasFrame_GLSL (aliashdr_t *paliashdr, lerpdata_t lerpdata)
@@ -127,7 +129,7 @@ void GL_DrawAliasFrame_GLSL (aliashdr_t *paliashdr, lerpdata_t lerpdata)
 			"attribute vec3 Pose1Normal;\n"
 			"attribute vec4 Pose2Vert;\n"
 			"attribute vec3 Pose2Normal;\n"
-			"float r_avertexnormal_dot(vec3 vertexnormal)\n"
+			"float r_avertexnormal_dot(vec3 vertexnormal) // from MH \n"
 			"{\n"
 			"        float dot = dot(vertexnormal, ShadeVector);\n"
 			"        // wtf - this reproduces anorm_dots within as reasonable a degree of tolerance as the >= 0 case\n"
@@ -237,18 +239,17 @@ void GL_DrawAliasFrame_GLSL (aliashdr_t *paliashdr, lerpdata_t lerpdata)
 	GL_VertexAttribPointerFunc (pose2NormalAttrIndex, 3, GL_FLOAT, GL_FALSE, sizeof (meshxyz_t), GLARB_GetNormalOffset (paliashdr, lerpdata.pose2));
 	GL_EnableVertexAttribArrayFunc (pose2NormalAttrIndex);
 
-	// Uniform
+	// set uniforms
 	
 	GL_Uniform1fFunc(blendLoc, blend);
 	GL_Uniform3fFunc(shadevectorLoc, shadevector[0], shadevector[1], shadevector[2]);
 	GL_Uniform4fFunc(lightColorLoc, lightcolor[0], lightcolor[1], lightcolor[2], entalpha);
-		
-//
-// ericw -- bind it and stuff
 
-//	GL_SelectTexture (GL_TEXTURE0_ARB);
-//	glEnable(GL_TEXTURE_2D);
+	// draw
+
 	glDrawElements(GL_TRIANGLES, paliashdr->numindexes, GL_UNSIGNED_SHORT, (void *)(intptr_t)paliashdr->vboindexofs);
+
+	// clean up
 	
 	GL_DisableVertexAttribArrayFunc(pose1VertexAttrIndex);
 	GL_DisableVertexAttribArrayFunc(pose2VertexAttrIndex);