diff --git a/src/map/script.c b/src/map/script.c
index 93418bd018..2b313b896a 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -921,7 +921,7 @@ const char* skip_space(const char* p)
 }
 
 /// Skips a word.
-/// A word consists of undercores and/or alfanumeric characters,
+/// A word consists of undercores and/or alphanumeric characters,
 /// and valid variable prefixes/postfixes.
 static
 const char* skip_word(const char* p)
@@ -964,7 +964,7 @@ int add_word(const char* p)
 	// Check for a word
 	len = skip_word(p) - p;
 	if( len == 0 )
-		disp_error_message("script:add_word: invalid word. A word consists of undercores and/or alfanumeric characters, and valid variable prefixes/postfixes.", p);
+		disp_error_message("script:add_word: invalid word. A word consists of undercores and/or alphanumeric characters, and valid variable prefixes/postfixes.", p);
 
 	// Duplicate the word
 	word = (char*)aMalloc(len+1);
@@ -1000,7 +1000,7 @@ const char* parse_callfunc(const char* p, int require_paren, int is_custom)
 		add_scriptl(func);
 		arg = buildin_func[str_data[buildin_callsub_ref].val].arg;
 		if( *arg == 0 )
-			disp_error_message("parse_callfunc: callsub has no arguments, please review it's definition",p);
+			disp_error_message("parse_callfunc: callsub has no arguments, please review its definition",p);
 		if( *arg != '*' )
 			++arg; // count func as argument
 	} else {
@@ -1241,7 +1241,7 @@ const char* parse_simpleexpr(const char *p)
 	p=skip_space(p);
 
 	if(*p==';' || *p==',')
-		disp_error_message("parse_simpleexpr: unexpected expr end",p);
+		disp_error_message("parse_simpleexpr: unexpected end of expression",p);
 	if(*p=='('){
 		if( (i=syntax.curly_count-1) >= 0 && syntax.curly[i].type == TYPE_ARGLIST )
 			++syntax.curly[i].count;
@@ -1257,7 +1257,7 @@ const char* parse_simpleexpr(const char *p)
 				syntax.curly[i].flag = ARGLIST_NO_PAREN;
 		}
 		if( *p != ')' )
-			disp_error_message("parse_simpleexpr: unmatch ')'",p);
+			disp_error_message("parse_simpleexpr: unmatched ')'",p);
 		++p;
 	} else if(ISDIGIT(*p) || ((*p=='-' || *p=='+') && ISDIGIT(p[1]))){
 		char *np;
@@ -1323,7 +1323,7 @@ const char* parse_simpleexpr(const char *p)
 			p=parse_subexpr(p+1,-1);
 			p=skip_space(p);
 			if( *p != ']' )
-				disp_error_message("parse_simpleexpr: unmatch ']'",p);
+				disp_error_message("parse_simpleexpr: unmatched ']'",p);
 			++p;
 			add_scriptc(C_FUNC);
 		}else
@@ -1384,7 +1384,7 @@ const char* parse_subexpr(const char* p,int limit)
 			p=parse_subexpr(p,-1);
 			p=skip_space(p);
 			if( *(p++) != ':')
-				disp_error_message("parse_subexpr: need ':'", p-1);
+				disp_error_message("parse_subexpr: expected ':'", p-1);
 			p=parse_subexpr(p,-1);
 		} else {
 			p=parse_subexpr(p,opl);
@@ -1404,7 +1404,7 @@ const char* parse_expr(const char *p)
 	switch(*p){
 	case ')': case ';': case ':': case '[': case ']':
 	case '}':
-		disp_error_message("parse_expr: unexpected char",p);
+		disp_error_message("parse_expr: unexpected character",p);
 	}
 	p=parse_subexpr(p,-1);
 	return p;
@@ -1455,10 +1455,10 @@ const char* parse_line(const char* p)
 
 	if(parse_syntax_for_flag) {
 		if( *p != ')' )
-			disp_error_message("parse_line: need ')'",p);
+			disp_error_message("parse_line: expected ')'",p);
 	} else {
 		if( *p != ';' )
-			disp_error_message("parse_line: need ';'",p);
+			disp_error_message("parse_line: expected ';'",p);
 	}
 
 	//Binding decision for if(), for(), while()
@@ -1562,7 +1562,7 @@ const char* parse_syntax(const char* p)
 			}
 			p = skip_space(p2);
 			if(*p != ';')
-				disp_error_message("parse_syntax: need ';'",p);
+				disp_error_message("parse_syntax: expected ';'",p);
 			// Closing decision if, for , while
 			p = parse_syntax_close(p + 1);
 			return p;
@@ -1595,7 +1595,7 @@ const char* parse_syntax(const char* p)
 				//Decision statement switch
 				p = skip_space(p2);
 				if(p == p2) {
-					disp_error_message("parse_syntax: expect space ' '",p);
+					disp_error_message("parse_syntax: expected a space ' '",p);
 				}
 				// check whether case label is integer or not
 				v = strtol(p,&np,0);
@@ -1605,14 +1605,14 @@ const char* parse_syntax(const char* p)
 					memcpy(label,p,v);
 					label[v]='\0';
 					if( !script_get_constant(label, &v) )
-						disp_error_message("parse_syntax: 'case' label not integer",p);
+						disp_error_message("parse_syntax: 'case' label is not an integer",p);
 					p = skip_word(p);
 				} else { //Numeric value
 					if((*p == '-' || *p == '+') && ISDIGIT(p[1]))	// pre-skip because '-' can not skip_word
 						p++;
 					p = skip_word(p);
 					if(np != p)
-						disp_error_message("parse_syntax: 'case' label not integer",np);
+						disp_error_message("parse_syntax: 'case' label is not an integer",np);
 				}
 				p = skip_space(p);
 				if(*p != ':')
@@ -1670,7 +1670,7 @@ const char* parse_syntax(const char* p)
 			}
 			p = skip_space(p2);
 			if(*p != ';')
-				disp_error_message("parse_syntax: need ';'",p);
+				disp_error_message("parse_syntax: expected ';'",p);
 			//Closing decision if, for , while
 			p = parse_syntax_close(p + 1);
 			return p;
@@ -1691,7 +1691,7 @@ const char* parse_syntax(const char* p)
 				// Put the label location
 				p = skip_space(p2);
 				if(*p != ':') {
-					disp_error_message("parse_syntax: need ':'",p);
+					disp_error_message("parse_syntax: expected ':'",p);
 				}
 				sprintf(label,"__SW%x_%x",syntax.curly[pos].index,syntax.curly[pos].count);
 				l=add_str(label);
@@ -1744,7 +1744,7 @@ const char* parse_syntax(const char* p)
 			p=skip_space(p2);
 
 			if(*p != '(')
-				disp_error_message("parse_syntax: need '('",p);
+				disp_error_message("parse_syntax: expected '('",p);
 			p++;
 
 			// Execute the initialization statement
@@ -1772,7 +1772,7 @@ const char* parse_syntax(const char* p)
 				add_scriptc(C_FUNC);
 			}
 			if(*p != ';')
-				disp_error_message("parse_syntax: need ';'",p);
+				disp_error_message("parse_syntax: expected ';'",p);
 			p++;
 
 			// Skip to the beginning of the loop
@@ -1914,7 +1914,7 @@ const char* parse_syntax(const char* p)
 			p=parse_expr(p);
 			p=skip_space(p);
 			if(*p != '{') {
-				disp_error_message("parse_syntax: need '{'",p);
+				disp_error_message("parse_syntax: expected '{'",p);
 			}
 			add_scriptc(C_FUNC);
 			return p + 1;
@@ -2053,7 +2053,7 @@ const char* parse_syntax_close_sub(const char* p,int* flag)
 		p = skip_space(p);
 		p2 = skip_word(p);
 		if(p2 - p != 5 || strncasecmp(p,"while",5))
-			disp_error_message("parse_syntax: need 'while'",p);
+			disp_error_message("parse_syntax: expected 'while'",p);
 
 		p = skip_space(p2);
 		if(*p != '(') {
@@ -2083,7 +2083,7 @@ const char* parse_syntax_close_sub(const char* p,int* flag)
 		set_label(l,script_pos,p);
 		p = skip_space(p);
 		if(*p != ';') {
-			disp_error_message("parse_syntax: need ';'",p);
+			disp_error_message("parse_syntax: expected ';'",p);
 			return p+1;
 		}
 		p++;
@@ -14500,7 +14500,7 @@ BUILDIN_FUNC(setnpcdisplay)
  		class_ = conv_num(st,data);
 	else
 	{
-		ShowError("script:setnpcdisplay: expected a string or number\n");
+		ShowError("script:setnpcdisplay: expected string or number\n");
 		script_reportdata(data);
 		return 1;
 	}