diff --git a/README.md b/README.md
index 2a2485b..d3836eb 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ ccminer
 Christian Buchner's & Christian H.'s CUDA miner project
 
 Fork by tpruvot@github with X14,X15,X17,WHIRL and Blake256 support
+
    BTC donation address: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo
    [![tip for next commit](https://tip4commit.com/projects/927.svg)](https://tip4commit.com/github/tpruvot/ccminer)
 
@@ -26,8 +27,6 @@ This project requires some libraries to be built :
 
 - pthreads
 
-- [mpir math library](http://www.mpir.org)
-
 You can download prebuilt .lib and dll on the [bitcointalk forum thread](https://bitcointalk.org/?topic=167229.0)
 
 
diff --git a/hashlog.cpp b/hashlog.cpp
index 811fed2..7a679e8 100644
--- a/hashlog.cpp
+++ b/hashlog.cpp
@@ -202,24 +202,25 @@ extern "C" void hashlog_purge_all(void)
 	tlastshares.clear();
 }
 
-
 /**
- * Can be used to debug...
+ * Used to debug ranges...
  */
 extern "C" void hashlog_dump_job(char* jobid)
 {
-	int deleted = 0;
-	uint64_t njobid = hextouint(jobid);
-	uint64_t keypfx = (njobid << 32);
-	uint32_t sz = tlastshares.size();
-	std::map<uint64_t, hashlog_data>::iterator i = tlastshares.begin();
-	while (i != tlastshares.end()) {
-		if ((keypfx & i->first) == keypfx) {
-			applog(LOG_BLUE, "job %s range : %x %x %s added %x upd %x", jobid,
-				i->second.scanned_from, i->second.scanned_to,
-				i->second.tm_sent ? "sent" : "",
-				i->second.tm_add, i->second.tm_upd);/* */
+	if (opt_debug) {
+		int deleted = 0;
+		uint64_t njobid = hextouint(jobid);
+		uint64_t keypfx = (njobid << 32);
+		uint32_t sz = tlastshares.size();
+		std::map<uint64_t, hashlog_data>::iterator i = tlastshares.begin();
+		while (i != tlastshares.end()) {
+			if ((keypfx & i->first) == keypfx) {
+				applog(LOG_BLUE, "job %s range : %x %x %s added %x upd %x", jobid,
+					i->second.scanned_from, i->second.scanned_to,
+					i->second.tm_sent ? "sent" : "",
+					i->second.tm_add, i->second.tm_upd);/* */
+			}
+			i++;
 		}
-		i++;
 	}
 }
\ No newline at end of file
diff --git a/miner.h b/miner.h
index 5e36442..6ce4ca8 100644
--- a/miner.h
+++ b/miner.h
@@ -317,7 +317,7 @@ extern uint16_t opt_vote;
 #define CL_BLK  "\x1B[22;30m" /* black */
 #define CL_RD2  "\x1B[22;31m" /* red */
 #define CL_GR2  "\x1B[22;32m" /* green */
-#define CL_BRW  "\x1B[22;33m" /* brown */
+#define CL_YL2  "\x1B[22;33m" /* dark yellow */
 #define CL_BL2  "\x1B[22;34m" /* blue */
 #define CL_MA2  "\x1B[22;35m" /* magenta */
 #define CL_CY2  "\x1B[22;36m" /* cyan */
@@ -326,7 +326,7 @@ extern uint16_t opt_vote;
 #define CL_GRY  "\x1B[01;30m" /* dark gray */
 #define CL_LRD  "\x1B[01;31m" /* light red */
 #define CL_LGR  "\x1B[01;32m" /* light green */
-#define CL_YL2  "\x1B[01;33m" /* yellow */
+#define CL_LYL  "\x1B[01;33m" /* tooltips */
 #define CL_LBL  "\x1B[01;34m" /* light blue */
 #define CL_LMA  "\x1B[01;35m" /* light magenta */
 #define CL_LCY  "\x1B[01;36m" /* light cyan */
diff --git a/util.c b/util.c
index 7927d18..f451d95 100644
--- a/util.c
+++ b/util.c
@@ -115,7 +115,7 @@ void applog(int prio, const char *fmt, ...)
 			case LOG_WARNING: color = CL_YLW; break;
 			case LOG_NOTICE:  color = CL_WHT; break;
 			case LOG_INFO:    color = ""; break;
-			case LOG_DEBUG:   color = CL_SIL; break;
+			case LOG_DEBUG:   color = CL_GRY; break;
 
 			case LOG_BLUE:
 				prio = LOG_NOTICE;