diff --git a/src/Map.cc b/src/Map.cc
index 4807eb36..27a5d3b8 100644
--- a/src/Map.cc
+++ b/src/Map.cc
@@ -990,7 +990,7 @@ const char* MapFile::name_for_enemy_type(uint16_t type) {
 
 string MapFile::ObjectSetEntry::str() const {
   string name_str = MapFile::name_for_object_type(this->base_type);
-  return phosg::string_printf("[ObjectEntry type=%04hX \"%s\" set_flags=%04hX index=%04hX a2=%04hX entity_id=%04hX group=%04hX room=%04hX a3=%04hX x=%g y=%g z=%g x_angle=%08" PRIX32 " y_angle=%08" PRIX32 " z_angle=%08" PRIX32 " params=[%g %g %g %08" PRIX32 " %08" PRIX32 " %08" PRIX32 "] unused=%08" PRIX32 "]",
+  return phosg::string_printf("[ObjectSetEntry type=%04hX \"%s\" set_flags=%04hX index=%04hX a2=%04hX entity_id=%04hX group=%04hX room=%04hX a3=%04hX x=%g y=%g z=%g x_angle=%08" PRIX32 " y_angle=%08" PRIX32 " z_angle=%08" PRIX32 " params=[%g %g %g %08" PRIX32 " %08" PRIX32 " %08" PRIX32 "] unused=%08" PRIX32 "]",
       this->base_type.load(),
       name_str.c_str(),
       this->set_flags.load(),
@@ -1032,7 +1032,7 @@ uint64_t MapFile::ObjectSetEntry::semantic_hash(uint8_t floor) const {
 }
 
 string MapFile::EnemySetEntry::str() const {
-  return phosg::string_printf("[EnemyEntry type=%04hX \"%s\" set_flags=%04hX index=%04hX num_children=%04hX floor=%04hX entity_id=%04hX room=%04hX wave_number=%04hX wave_number2=%04hX a1=%04hX x=%g y=%g z=%g x_angle=%08" PRIX32 " y_angle=%08" PRIX32 " z_angle=%08" PRIX32 " params=[%g %g %g %g %g %04hX %04hX] unused=%08" PRIX32 "]",
+  return phosg::string_printf("[EnemySetEntry type=%04hX \"%s\" set_flags=%04hX index=%04hX num_children=%04hX floor=%04hX entity_id=%04hX room=%04hX wave_number=%04hX wave_number2=%04hX a1=%04hX x=%g y=%g z=%g x_angle=%08" PRIX32 " y_angle=%08" PRIX32 " z_angle=%08" PRIX32 " params=[%g %g %g %g %g %04hX %04hX] unused=%08" PRIX32 "]",
       this->base_type.load(),
       MapFile::name_for_enemy_type(this->base_type),
       this->set_flags.load(),
diff --git a/src/QuestScript.cc b/src/QuestScript.cc
index eb5cba03..0b27e227 100644
--- a/src/QuestScript.cc
+++ b/src/QuestScript.cc
@@ -1913,10 +1913,14 @@ static const QuestScriptOpcodeDefinition opcode_defs[] = {
 
     // Generates a random number by calling rand(). Note that the returned
     // value is not uniform! The algorithm generates a uniform random number,
-    // scales it to the range [0, max], then clamps it to [min, max]. So, if
-    // the minimum value is not 0, the minimum value is more likely than all
-    // other possible results. To get an unbiased result with a minimum not
-    // equal to zero, use this with a minimum of zero, then use add or addi.
+    // scales it to the range 0 through (max-1) inclusive, then clamps it to
+    // the range min through (max-1). So, if the minimum value is not 0, the
+    // minimum value is more likely than all other possible results. To get
+    // an unbiased result with a minimum not equal to zero, use this with a
+    // minimum of zero, then use add or addi.
+    // Note also that this is implemented by calling rand(), which returns a
+    // 15-bit random integer. If your range of values is larger than 15 bits,
+    // call this multiple times and combine the results appropriately.
     // regsA[0] = minimum value
     // regsA[1] = maximum value
     // regB = generated random value