diff --git a/01h.c b/01h.c
index 27ddca0..65cea84 100644
--- a/01h.c
+++ b/01h.c
@@ -218,17 +218,17 @@ char* getString_FMA(struct cpuInfo* cpu) {
 char* getString_AES(struct cpuInfo* cpu) {
   char* string = malloc(sizeof(char)*3+1);
   if(cpu->AES == BOOLEAN_TRUE)
-    snprintf(string,3+1,"Yes");
+    snprintf(string,3+1,STRING_YES);
   else
-    snprintf(string,2+1,"No");
+    snprintf(string,2+1,STRING_NO);
   return string;
 }
 
 char* getString_SHA(struct cpuInfo* cpu) {
   char* string = malloc(sizeof(char)*3+1);
   if(cpu->SHA == BOOLEAN_TRUE)
-    snprintf(string,3+1,"Yes");
+    snprintf(string,3+1,STRING_YES);
   else
-    snprintf(string,2+1,"No");
+    snprintf(string,2+1,STRING_NO);
   return string;
 }
diff --git a/01h.h b/01h.h
index ee7542f..d1da2b4 100644
--- a/01h.h
+++ b/01h.h
@@ -1,6 +1,8 @@
 #ifndef __01h__
 #define __01h__
 
+#define STRING_YES  "Yes"
+#define STRING_NO   "No"
 struct cpuInfo;
 
 struct cpuInfo* getCPUInfo();
diff --git a/main.c b/main.c
index 0018264..bba0bf8 100644
--- a/main.c
+++ b/main.c
@@ -10,7 +10,7 @@ SAMPLE OUTPUT
 
 Name:        Intel Core i7-4790K
 Arch:        64 Bits
-Frecuency:   4.0 GHz
+Frequency:   4.0 GHz
 NºCores:     4 cores(8 threads)
 AXV:         AVX,AVX2
 SSE:         SSE,SSE2,SSE4.1,SSE4.2
diff --git a/printer.h b/printer.h
index 5fffb85..f6f9e2c 100644
--- a/printer.h
+++ b/printer.h
@@ -7,7 +7,7 @@
 
 #define TITLE_NAME      "Name: "
 #define TITLE_ARCH      "Arch: "
-#define TITLE_FREQUENCY "Frecuency: "
+#define TITLE_FREQUENCY "Frequency: "
 #define TITLE_NCORES    "N.Cores: "
 #define TITLE_AVX       "AVX: "
 #define TITLE_SSE       "SSE: "
diff --git a/udev.c b/udev.c
index 812db92..7051be8 100644
--- a/udev.c
+++ b/udev.c
@@ -61,19 +61,28 @@ int getCache(char* path) {
   int fd = fileno(file);
   int bytes_read = 0;
   int offset = 0;
-  int block = 1;
+  int block = DEFAULT_BLOCK_SIZE;
   char* buf = malloc(sizeof(char)*DEFAULT_FILE_SIZE);
 	memset(buf, 0, sizeof(char)*DEFAULT_FILE_SIZE);
 
-	while (  (bytes_read = read(fd, buf+offset, block)) > 0 ) {
+  do {
+    bytes_read = read(fd, buf+offset, block);
     offset += bytes_read;
-  }
+  } while(bytes_read > 0);
 
+  //Move size from kb to bytes
   int ret = getSize(buf,offset)*1024;
 	free(buf);
+  fclose(file);
   return ret;
 }
 
+/***
+
+Returns CPU frequency in Hz
+
+***/
+
 int getFrequency(char* path) {
   FILE *file = fopen(path, "r");
 
@@ -100,7 +109,7 @@ int getFrequency(char* path) {
     printf("error in getFrequency\n");
     return NO_CACHE;
   }
-  return ret/1000;
+  return ret;
 }
 
 /*** GET_STRING ***/
@@ -110,21 +119,21 @@ char* getString_L1(struct cache* cach) {
   //and 14 for '(Instructions)'
   int size = (2*(2+2)+6+14+1);
   char* string = malloc(sizeof(char)*size);
-  snprintf(string,size,"%dKB(Data)%dKB(Instructions)",cach->L1d/1024,cach->L1i/1024);
+  snprintf(string,size,"%d"STRING_KILOBYTES"(Data)%d"STRING_KILOBYTES"(Instructions)",cach->L1d/1024,cach->L1i/1024);
   return string;
 }
 
 char* getString_L2(struct cache* cach) {
   if(cach->L2 == NO_CACHE) {
     char* string = malloc(sizeof(char)*5);
-    snprintf(string,5,"None");
+    snprintf(string,5,STRING_NONE);
     return string;
   }
   else {
     //Max 4 digits and 2 for 'KB'
     int size = (4+2+1);
     char* string = malloc(sizeof(char)*size);
-    snprintf(string,size,"%dKB",cach->L2/1024);
+    snprintf(string,size,"%d"STRING_KILOBYTES,cach->L2/1024);
     return string;
   }
 }
@@ -132,27 +141,30 @@ char* getString_L2(struct cache* cach) {
 char* getString_L3(struct cache* cach) {
   if(cach->L3 == NO_CACHE) {
     char* string = malloc(sizeof(char)*5);
-    snprintf(string,5,"None");
+    snprintf(string,5,STRING_NONE);
     return string;
   }
   else {
     //Max 4 digits and 2 for 'KB'
     int size = (4+2+1);
     char* string = malloc(sizeof(char)*size);
-    snprintf(string,size,"%dKB",cach->L3/1024);
+    snprintf(string,size,"%d"STRING_KILOBYTES,cach->L3/1024);
     return string;
   }
 }
 
 char* getString_MaxFrequency(struct frequency* freq) {
-  //Max 4 digits and 3 for 'MHz' plus 1 for '\0'
+  //Max 3 digits and 3 for '(M/G)Hz' plus 1 for '\0'
   int size = (4+3+1);
   char* string = malloc(sizeof(char)*size);
-  snprintf(string,size,"%dMHz",freq->max);
+  if(freq->max >= 1000000)
+    snprintf(string,size,"%.2f"STRING_GIGAHERZ,(float)(freq->max)/1000000);
+  else
+    snprintf(string,size,"%.2f"STRING_MEGAHERZ,(float)(freq->max)/100000);
   return string;
 }
 
-/*** CREATE DEBUGING AND FREES ***/
+/*** CREATES AND FREES ***/
 
 struct cache* new_cache(struct cache* cach) {
   cach = malloc(sizeof(struct cache));
@@ -170,6 +182,16 @@ struct frequency* new_frequency(struct frequency* freq) {
   return freq;
 }
 
+void freeCache(struct cache* cach) {
+  free(cach);
+}
+
+void freeFrequency(struct frequency* freq) {
+  free(freq);
+}
+
+/*** DEBUGING ***/
+
 void debugCache(struct cache* cach) {
   printf("L1i=%dB\n",cach->L1i);
   printf("L1d=%dB\n",cach->L1d);
@@ -181,11 +203,3 @@ void debugFrequency(struct frequency* freq) {
   printf("max f=%dMhz\n",freq->max);
   printf("min f=%dMhz\n",freq->min);
 }
-
-void freeCache(struct cache* cach) {
-  free(cach);
-}
-
-void freeFrequency(struct frequency* freq) {
-  free(freq);
-}
diff --git a/udev.h b/udev.h
index 9bfe15d..2a28d0b 100644
--- a/udev.h
+++ b/udev.h
@@ -21,6 +21,13 @@
 
 #define NO_CACHE -1
 #define DEFAULT_FILE_SIZE 4096
+#define DEFAULT_BLOCK_SIZE 128
+
+/*** STRINGS ***/
+#define STRING_NONE "None"
+#define STRING_MEGAHERZ "MHz"
+#define STRING_GIGAHERZ "GHz"
+#define STRING_KILOBYTES "KB"
 
 /*** STRUCTS ***/