diff --git a/autogen/lua_constants/built-in.lua b/autogen/lua_constants/built-in.lua
index f60dd6f47..58b436d3a 100644
--- a/autogen/lua_constants/built-in.lua
+++ b/autogen/lua_constants/built-in.lua
@@ -306,6 +306,49 @@ IN_OUT_BOUNCE  = function (x) return x < 0.5 and (1 - OUT_BOUNCE(1 - 2 * x)) / 2
 ---@return number
 OUT_IN_BOUNCE  = function (x) return x < 0.5 and 0.5 * OUT_BOUNCE(x * 2) or 0.5 + 0.5 * IN_BOUNCE(2 * x - 1) end
 
+--- @alias EasingFunction
+--- | `IN_SINE`
+--- | `OUT_SINE`
+--- | `IN_OUT_SINE`
+--- | `OUT_IN_SINE`
+--- | `IN_QUAD`
+--- | `OUT_QUAD`
+--- | `IN_OUT_QUAD`
+--- | `OUT_IN_QUAD`
+--- | `IN_CUBIC`
+--- | `OUT_CUBIC`
+--- | `IN_OUT_CUBIC`
+--- | `OUT_IN_CUBIC`
+--- | `IN_QUART`
+--- | `OUT_QUART`
+--- | `IN_OUT_QUART`
+--- | `OUT_IN_QUART`
+--- | `IN_QUINT`
+--- | `OUT_QUINT`
+--- | `IN_OUT_QUINT`
+--- | `OUT_IN_QUINT`
+--- | `IN_EXPO`
+--- | `OUT_EXPO`
+--- | `IN_OUT_EXPO`
+--- | `OUT_IN_EXPO`
+--- | `IN_CIRC`
+--- | `OUT_CIRC`
+--- | `IN_OUT_CIRC`
+--- | `OUT_IN_CIRC`
+--- | `IN_BACK`
+--- | `OUT_BACK`
+--- | `IN_OUT_BACK`
+--- | `OUT_IN_BACK`
+--- | `IN_ELASTIC`
+--- | `OUT_ELASTIC`
+--- | `IN_OUT_ELASTIC`
+--- | `OUT_IN_ELASTIC`
+--- | `IN_BOUNCE`
+--- | `OUT_BOUNCE`
+--- | `IN_OUT_BOUNCE`
+--- | `OUT_IN_BOUNCE`
+--- | fun(x: number): number
+
 --------------------
 -- math functions --
 --------------------
@@ -385,7 +428,7 @@ function math.round(x)
     return x > 0 and __math_floor(x + 0.5) or __math_ceil(x - 0.5)
 end
 
---- @param t function | number
+--- @param t EasingFunction | number
 --- @param a number
 --- @param b number
 --- @param x number
diff --git a/autogen/lua_definitions/constants.lua b/autogen/lua_definitions/constants.lua
index b1fd233f5..fef72a27c 100644
--- a/autogen/lua_definitions/constants.lua
+++ b/autogen/lua_definitions/constants.lua
@@ -308,6 +308,49 @@ IN_OUT_BOUNCE  = function (x) return x < 0.5 and (1 - OUT_BOUNCE(1 - 2 * x)) / 2
 ---@return number
 OUT_IN_BOUNCE  = function (x) return x < 0.5 and 0.5 * OUT_BOUNCE(x * 2) or 0.5 + 0.5 * IN_BOUNCE(2 * x - 1) end
 
+--- @alias EasingFunction
+--- | `IN_SINE`
+--- | `OUT_SINE`
+--- | `IN_OUT_SINE`
+--- | `OUT_IN_SINE`
+--- | `IN_QUAD`
+--- | `OUT_QUAD`
+--- | `IN_OUT_QUAD`
+--- | `OUT_IN_QUAD`
+--- | `IN_CUBIC`
+--- | `OUT_CUBIC`
+--- | `IN_OUT_CUBIC`
+--- | `OUT_IN_CUBIC`
+--- | `IN_QUART`
+--- | `OUT_QUART`
+--- | `IN_OUT_QUART`
+--- | `OUT_IN_QUART`
+--- | `IN_QUINT`
+--- | `OUT_QUINT`
+--- | `IN_OUT_QUINT`
+--- | `OUT_IN_QUINT`
+--- | `IN_EXPO`
+--- | `OUT_EXPO`
+--- | `IN_OUT_EXPO`
+--- | `OUT_IN_EXPO`
+--- | `IN_CIRC`
+--- | `OUT_CIRC`
+--- | `IN_OUT_CIRC`
+--- | `OUT_IN_CIRC`
+--- | `IN_BACK`
+--- | `OUT_BACK`
+--- | `IN_OUT_BACK`
+--- | `OUT_IN_BACK`
+--- | `IN_ELASTIC`
+--- | `OUT_ELASTIC`
+--- | `IN_OUT_ELASTIC`
+--- | `OUT_IN_ELASTIC`
+--- | `IN_BOUNCE`
+--- | `OUT_BOUNCE`
+--- | `IN_OUT_BOUNCE`
+--- | `OUT_IN_BOUNCE`
+--- | fun(x: number): number
+
 --------------------
 -- math functions --
 --------------------
@@ -387,7 +430,7 @@ function math.round(x)
     return x > 0 and __math_floor(x + 0.5) or __math_ceil(x - 0.5)
 end
 
---- @param t function | number
+--- @param t EasingFunction | number
 --- @param a number
 --- @param b number
 --- @param x number
diff --git a/src/pc/lua/smlua_constants_autogen.c b/src/pc/lua/smlua_constants_autogen.c
index c7fde7802..bc67f2ae0 100644
--- a/src/pc/lua/smlua_constants_autogen.c
+++ b/src/pc/lua/smlua_constants_autogen.c
@@ -288,6 +288,48 @@ char gSmluaConstants[] = ""
 "---@param x number\n"
 "---@return number\n"
 "OUT_IN_BOUNCE  = function (x) return x < 0.5 and 0.5 * OUT_BOUNCE(x * 2) or 0.5 + 0.5 * IN_BOUNCE(2 * x - 1) end\n"
+"--- @alias EasingFunction\n"
+"--- | `IN_SINE`\n"
+"--- | `OUT_SINE`\n"
+"--- | `IN_OUT_SINE`\n"
+"--- | `OUT_IN_SINE`\n"
+"--- | `IN_QUAD`\n"
+"--- | `OUT_QUAD`\n"
+"--- | `IN_OUT_QUAD`\n"
+"--- | `OUT_IN_QUAD`\n"
+"--- | `IN_CUBIC`\n"
+"--- | `OUT_CUBIC`\n"
+"--- | `IN_OUT_CUBIC`\n"
+"--- | `OUT_IN_CUBIC`\n"
+"--- | `IN_QUART`\n"
+"--- | `OUT_QUART`\n"
+"--- | `IN_OUT_QUART`\n"
+"--- | `OUT_IN_QUART`\n"
+"--- | `IN_QUINT`\n"
+"--- | `OUT_QUINT`\n"
+"--- | `IN_OUT_QUINT`\n"
+"--- | `OUT_IN_QUINT`\n"
+"--- | `IN_EXPO`\n"
+"--- | `OUT_EXPO`\n"
+"--- | `IN_OUT_EXPO`\n"
+"--- | `OUT_IN_EXPO`\n"
+"--- | `IN_CIRC`\n"
+"--- | `OUT_CIRC`\n"
+"--- | `IN_OUT_CIRC`\n"
+"--- | `OUT_IN_CIRC`\n"
+"--- | `IN_BACK`\n"
+"--- | `OUT_BACK`\n"
+"--- | `IN_OUT_BACK`\n"
+"--- | `OUT_IN_BACK`\n"
+"--- | `IN_ELASTIC`\n"
+"--- | `OUT_ELASTIC`\n"
+"--- | `IN_OUT_ELASTIC`\n"
+"--- | `OUT_IN_ELASTIC`\n"
+"--- | `IN_BOUNCE`\n"
+"--- | `OUT_BOUNCE`\n"
+"--- | `IN_OUT_BOUNCE`\n"
+"--- | `OUT_IN_BOUNCE`\n"
+"--- | fun(x: number): number\n"
 "--------------------\n"
 "-- math functions --\n"
 "--------------------\n"
@@ -357,7 +399,7 @@ char gSmluaConstants[] = ""
 "function math.round(x)\n"
 "return x > 0 and __math_floor(x + 0.5) or __math_ceil(x - 0.5)\n"
 "end\n"
-"--- @param t function | number\n"
+"--- @param t EasingFunction | number\n"
 "--- @param a number\n"
 "--- @param b number\n"
 "--- @param x number\n"
diff --git a/src/pc/lua/utils/smlua_text_utils.c b/src/pc/lua/utils/smlua_text_utils.c
index 4843ae178..328530b45 100644
--- a/src/pc/lua/utils/smlua_text_utils.c
+++ b/src/pc/lua/utils/smlua_text_utils.c
@@ -112,8 +112,7 @@ static u8* smlua_text_utils_convert(const char* str) {
 // Checks the first 3 characters
 static bool str_starts_with_spaces(const char* str) {
     for (u8 i = 0; i < 3; i++) {
-        if (str[i] == '\0') { return false; }
-        if (str[i] != ' ')  { return false; }
+        if (str[i] != ' ') { return false; }
     }
     return true;
 }