diff --git a/engine/events/fish.asm b/engine/events/fish.asm
index c1dde87d8..df8d80a63 100644
--- a/engine/events/fish.asm
+++ b/engine/events/fish.asm
@@ -1,7 +1,7 @@
 Fish:
 ; Using a fishing rod.
 ; Fish for monsters with rod e in encounter group d.
-; Return monster e at level d.
+; Return monster d at level e.
 
 	push af
 	push bc
@@ -23,7 +23,7 @@ endr
 
 .Fish:
 ; Fish for monsters with rod b from encounter data in FishGroup at hl.
-; Return monster e at level d.
+; Return monster d at level e.
 
 	call Random
 	cp [hl]
diff --git a/engine/math/print_num.asm b/engine/math/print_num.asm
index 62ef97fb3..409379257 100644
--- a/engine/math/print_num.asm
+++ b/engine/math/print_num.asm
@@ -6,7 +6,7 @@ _PrintNum::
 ; digits will be in front of the decimal point.
 ; Some extra flags can be given in bits 5-7 of b.
 ; Bit 5: money if set (unless left-aligned without leading zeros)
-; Bit 6: right-aligned if set
+; Bit 6: left-aligned if set
 ; Bit 7: print leading zeros if set
 
 	push bc
diff --git a/engine/pokemon/move_mon.asm b/engine/pokemon/move_mon.asm
index eb5afa9dc..8133e2671 100644
--- a/engine/pokemon/move_mon.asm
+++ b/engine/pokemon/move_mon.asm
@@ -132,7 +132,7 @@ rept NUM_MOVES + -1
 	ld [hli], a
 endr
 	ld [hl], a
-	ld [wBuffer1], a
+	ld [wEvolutionOldSpecies], a
 	predef FillMoves
 
 .next
diff --git a/maps/BillsFamilysHouse.asm b/maps/BillsFamilysHouse.asm
index 4aca880f8..9dd90f668 100644
--- a/maps/BillsFamilysHouse.asm
+++ b/maps/BillsFamilysHouse.asm
@@ -54,13 +54,13 @@ BillsMomScript:
 	opentext
 	checkevent EVENT_MET_BILL
 	iffalse .HaventMetBill
-	writetext BillsPopText
+	writetext BillsMomText_BeforeEcruteak
 	waitbutton
 	closetext
 	end
 
 .HaventMetBill:
-	writetext BillsMomText
+	writetext BillsMomText_AfterEcruteak
 	waitbutton
 	closetext
 	end
@@ -175,7 +175,7 @@ BillPopWontWorkText:
 	line "a real headache…"
 	done
 
-BillsPopText:
+BillsMomText_BeforeEcruteak:
 	text "Oh, you collect"
 	line "#MON? My son"
 	cont "BILL is an expert."
@@ -193,7 +193,7 @@ BillsPopText:
 	line "being called…"
 	done
 
-BillsMomText:
+BillsMomText_AfterEcruteak:
 	text "My husband was"
 	line "once known as a"