SDL: Fix comment

From f1582f549be33b8c74219fffc12747a6c0236b56 Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Mon, 22 Nov 2021 11:27:40 +0100
Subject: [PATCH] Fix comment

---
 test/testgles2_sdf.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/test/testgles2_sdf.c b/test/testgles2_sdf.c
index 4a63863a50..8b51cd130e 100644
--- a/test/testgles2_sdf.c
+++ b/test/testgles2_sdf.c
@@ -163,11 +163,10 @@ process_shader(GLuint *shader, const char * source, GLint shader_type)
 }
 
 /* Notes on a_angle:
-   * It is a vector containing sine and cosine for rotation matrix
-   * To get correct rotation for most cases when a_angle is disabled SDL_cos
-     value is decremented by 1.0 to get proper output with 0.0 which is
-     default value
-*/
+ * It is a vector containing sine and cosine for rotation matrix
+ * To get correct rotation for most cases when a_angle is disabled cosine
+ * value is decremented by 1.0 to get proper output with 0.0 which is default value
+ */
 static const Uint8 GLES2_VertexSrc_Default_[] = " \
     uniform mat4 u_projection; \
     attribute vec2 a_position; \