Corrects minor spelling mistakes and script structure

install.sh

@@ -21,18 +21,18 @@ print_info() {
 }
 
 print_success() {
-    echo -e "${GREEN}[SUCESSO]${NC} $1"
-    echo "[SUCESSO] $1" >> "$LOG_FILE"
+    echo -e "${GREEN}[SUCCESS]${NC} $1"
+    echo "[SUCCESS] $1" >> "$LOG_FILE"
 }
 
 print_warning() {
-    echo -e "${YELLOW}[AVISO]${NC} $1"
-    echo "[AVISO] $1" >> "$LOG_FILE"
+    echo -e "${YELLOW}[WARNING]${NC} $1"
+    echo "[WARNING] $1" >> "$LOG_FILE"
 }
 
 print_error() {
-    echo -e "${RED}[ERRO]${NC} $1"
-    echo "[ERRO] $1" >> "$LOG_FILE"
+    echo -e "${RED}[ERROR]${NC} $1"
+    echo "[ERROR] $1" >> "$LOG_FILE"
 }
 
 print_step() {