typo

Author: aknayar

faiss/impl/Panorama.cpp

@@ -66,7 +66,7 @@ Panorama::Panorama(
 
 void Panorama::set_derived_values() {
     FAISS_THROW_IF_NOT_MSG(n_levels > 0, "Panorama: n_levels must be > 0");
-    FAISS_THROW_IF_NOT_MSG(n_nlevels <= d, "Panorama: n_levels must be <= d");
+    FAISS_THROW_IF_NOT_MSG(n_levels <= d, "Panorama: n_levels must be <= d");
     this->d = code_size / sizeof(float);
     this->level_width_floats = ((d + n_levels - 1) / n_levels);
     this->level_width = this->level_width_floats * sizeof(float);