diff --git a/quicktex/s3tc/bc1/BC1Decoder.cpp b/quicktex/s3tc/bc1/BC1Decoder.cpp
index 772ffd2..90ebdfb 100644
--- a/quicktex/s3tc/bc1/BC1Decoder.cpp
+++ b/quicktex/s3tc/bc1/BC1Decoder.cpp
@@ -36,7 +36,7 @@ ColorBlock<4, 4> BC1Decoder::DecodeBlock(const BC1Block &block, bool use_3color)
     const auto l = block.GetColor0Raw();
     const auto h = block.GetColor1Raw();
     const auto selectors = block.GetSelectors();
-    const auto colors = _interpolator->InterpolateBC1(l, h, use_3color);
+    const auto colors = _interpolator->Interpolate565BC1(l, h, use_3color);
 
     for (unsigned y = 0; y < 4; y++) {
         for (unsigned x = 0; x < 4; x++) {
diff --git a/quicktex/s3tc/interpolator/Interpolator.cpp b/quicktex/s3tc/interpolator/Interpolator.cpp
index 6312c10..79e5081 100644
--- a/quicktex/s3tc/interpolator/Interpolator.cpp
+++ b/quicktex/s3tc/interpolator/Interpolator.cpp
@@ -50,7 +50,7 @@ uint8_t Interpolator::Interpolate6(uint8_t v0, uint8_t v1) const { return Interp
 uint8_t Interpolator::InterpolateHalf5(uint8_t v0, uint8_t v1) const { return InterpolateHalf8(scale5To8(v0), scale5To8(v1)); }
 uint8_t Interpolator::InterpolateHalf6(uint8_t v0, uint8_t v1) const { return InterpolateHalf8(scale6To8(v0), scale6To8(v1)); }
 
-std::array<Color, 4> Interpolator::InterpolateBC1(uint16_t low, uint16_t high, bool allow_3color) const {
+std::array<Color, 4> Interpolator::Interpolate565BC1(uint16_t low, uint16_t high, bool allow_3color) const {
     bool use_3color = allow_3color && (high >= low);
     return InterpolateBC1(Color::Unpack565Unscaled(low), Color::Unpack565Unscaled(high), use_3color);
 }
diff --git a/quicktex/s3tc/interpolator/Interpolator.h b/quicktex/s3tc/interpolator/Interpolator.h
index e4e47d8..0c948a1 100644
--- a/quicktex/s3tc/interpolator/Interpolator.h
+++ b/quicktex/s3tc/interpolator/Interpolator.h
@@ -94,10 +94,18 @@ class Interpolator {
      * Generates the 4 colors for a BC1 block from the given 5:6:5-packed colors
      * @param low first 5:6:5 color for the block
      * @param high second 5:6:5 color for the block
-     * @return and array of 4 Color values, with indices matching BC1 selectors
+     * @param allow_3color if true, a different interpolation mode will be used if high >= low
+     * @return an array of 4 Color values, with indices matching BC1 selectors
      */
-    virtual std::array<Color, 4> InterpolateBC1(uint16_t low, uint16_t high, bool allow_3color = true) const;
+    std::array<Color, 4> Interpolate565BC1(uint16_t low, uint16_t high, bool allow_3color = true) const;
 
+    /**
+     * Generates the 4 colors for a BC1 block from the given
+     * @param low the first color for the block, as a seperated 5:6:5 Color object
+     * @param high the second color for the block, as a seperated 5:6:5 Color object
+     * @param use_3color if the 3-color interpolation mode should be used
+     * @return an array of 4 Color values, with indices matching BC1 selectors
+     */
     virtual std::array<Color, 4> InterpolateBC1(Color low, Color high, bool use_3color) const;
 
     /**