diff --git a/artifacts/scripting/headers/sfall.h b/artifacts/scripting/headers/sfall.h
index 1b7350ac..0738077b 100644
--- a/artifacts/scripting/headers/sfall.h
+++ b/artifacts/scripting/headers/sfall.h
@@ -220,7 +220,7 @@
 // fake perks/traits add mode flags
 #define ADD_PERK_MODE_TRAIT     (1)  // add to the player's traits
 #define ADD_PERK_MODE_PERK      (2)  // add to the player's perks
-#define ADD_PERK_MODE_REMOVE    (4)  // remove from the list of selectable perks
+#define ADD_PERK_MODE_REMOVE    (4)  // remove from the list of selectable perks (after added to the player)
 
 // sfall_funcX macros
 #define add_global_timer_event(time, fixedParam)        sfall_func2("add_g_timer_event", time, fixedParam)
diff --git a/artifacts/scripting/sfall function notes.txt b/artifacts/scripting/sfall function notes.txt
index 55628cb4..f7aefd73 100644
--- a/artifacts/scripting/sfall function notes.txt	
+++ b/artifacts/scripting/sfall function notes.txt	
@@ -606,6 +606,7 @@ optional arguments:
 > string sfall_func2("string_to_case", string text, int toCase)
 - converts all letters in the given string to the specified case
 - toCase: 0 - lowercase, 1 - uppercase
+- NOTE: this function works only for English letters of A-Z/a-z
 
 ------------------------
 ------ MORE INFO -------
diff --git a/sfall/HookScripts.cpp b/sfall/HookScripts.cpp
index 2bcd877d..23a947ba 100644
--- a/sfall/HookScripts.cpp
+++ b/sfall/HookScripts.cpp
@@ -1770,7 +1770,7 @@ void HookScriptClear() {
 	for (int i = 0; i < numHooks; i++) {
 		hooks[i].clear();
 	}
-	memset(hooksInfo, 0, HOOK_COUNT * sizeof(HooksPositionInfo));
+	std::memset(hooksInfo, 0, HOOK_COUNT * sizeof(HooksPositionInfo));
 }
 
 void HookScriptInit() {
diff --git a/sfall/Logging.cpp b/sfall/Logging.cpp
index 1e2a0ec6..4246412a 100644
--- a/sfall/Logging.cpp
+++ b/sfall/Logging.cpp
@@ -34,6 +34,7 @@ void dlog(const char* a, int type) {
 		Log.flush();
 	}
 }
+
 void dlogr(const char* a, int type) {
 	if (isDebug && (type == DL_MAIN || (type & DebugTypes))) {
 		Log << a << "\n";
diff --git a/sfall/ScriptOps/ScriptUtils.hpp b/sfall/ScriptOps/ScriptUtils.hpp
index 5a184c48..e323cb9b 100644
--- a/sfall/ScriptOps/ScriptUtils.hpp
+++ b/sfall/ScriptOps/ScriptUtils.hpp
@@ -1003,10 +1003,7 @@ static std::string strToCase;
 
 static void sf_string_to_case() {
 	strToCase = opHandler.arg(0).strValue();
-	if (opHandler.arg(1).rawValue())
-		std::transform(strToCase.begin(), strToCase.end(), strToCase.begin(), ::toupper);
-	else
-		std::transform(strToCase.begin(), strToCase.end(), strToCase.begin(), ::tolower);
+	std::transform(strToCase.begin(), strToCase.end(), strToCase.begin(), opHandler.arg(1).rawValue() ? ::toupper : ::tolower);
 
 	opHandler.setReturn(strToCase.c_str());
 }