Fix typos

Assets/ScriptableRenderLoop/HDRenderPipeline/Material/Lit/LitSurfaceData.hlsl

     // Mirror the normal with the plane define by vertex normal
     float3 oppositeNormalTS = reflect(normalTS, float3(0.0, 0.0, 1.0)); // Reflect around vertex normal (in tangent space this is z)
 #endif
-    // TODO : Test if GetOdddNegativeScale() is necessary here in case of normal map, as GetOdddNegativeScale is take into account in CreateTangentToWorld();
+    // TODO : Test if GetOddNegativeScale() is necessary here in case of normal map, as GetOddNegativeScale is take into account in CreateTangentToWorld();
-                                (GetOdddNegativeScale() >= 0.0 ? normalTS : oppositeNormalTS) :
-                                (-GetOdddNegativeScale() >= 0.0 ? normalTS : oppositeNormalTS);
+                                (GetOddNegativeScale() >= 0.0 ? normalTS : oppositeNormalTS) :
+                                (-GetOddNegativeScale() >= 0.0 ? normalTS : oppositeNormalTS);
 #endif
 
 #ifdef _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A

Assets/ScriptableRenderLoop/HDRenderPipeline/ShaderVariables.hlsl

     return glstate_matrix_inv_projection;
 }
 
-float GetOdddNegativeScale()
+float GetOddNegativeScale()
 {
     return unity_WorldTransformParams.w;
 }
 float3x3 CreateTangentToWorld(float3 normal, float3 tangent, float tangentSign)
 {
     // For odd-negative scale transforms we need to flip the sign
-    float sign = tangentSign * GetOdddNegativeScale();
-    float3 bitangent = cross(normal, tangent) * sign;
+    float sgn = tangentSign * GetOddNegativeScale();
+    float3 bitangent = cross(normal, tangent) * sgn;
 
     return float3x3(tangent, bitangent, normal);
 }