diff --git a/lib/controller/checks.py b/lib/controller/checks.py
index e680b479a..922a413a6 100644
--- a/lib/controller/checks.py
+++ b/lib/controller/checks.py
@@ -719,16 +719,14 @@ def checkFalsePositives(injection):
         kb.injection = injection
 
         for i in xrange(conf.level):
-            randInt1, randInt2, randInt3 = (_() for j in xrange(3))
+            while True:
+                randInt1, randInt2, randInt3 = (_() for j in xrange(3))
 
-            randInt1 = min(randInt1, randInt2, randInt3)
-            randInt3 = max(randInt1, randInt2, randInt3)
+                randInt1 = min(randInt1, randInt2, randInt3)
+                randInt3 = max(randInt1, randInt2, randInt3)
 
-            while randInt1 >= randInt2:
-                randInt2 = _()
-
-            while randInt2 >= randInt3:
-                randInt3 = _()
+                if randInt3 > randInt2 > randInt1:
+                    break
 
             if not checkBooleanExpression("%d=%d" % (randInt1, randInt1)):
                 retVal = None
diff --git a/lib/parse/cmdline.py b/lib/parse/cmdline.py
index 6cda6f500..fcb38b54d 100644
--- a/lib/parse/cmdline.py
+++ b/lib/parse/cmdline.py
@@ -694,7 +694,7 @@ def cmdLineParser():
 
         miscellaneous.add_option("--identify-waf", dest="identifyWaf",
                                   action="store_true",
-                                  help="Make a through testing for a WAF/IPS/IDS protection")
+                                  help="Make a thorough testing for a WAF/IPS/IDS protection")
 
         miscellaneous.add_option("--mobile", dest="mobile",
                                   action="store_true",
@@ -710,7 +710,7 @@ def cmdLineParser():
 
         miscellaneous.add_option("--smart", dest="smart",
                                   action="store_true",
-                                  help="Conduct through tests only if positive heuristic(s)")
+                                  help="Conduct thorough tests only if positive heuristic(s)")
 
         miscellaneous.add_option("--sqlmap-shell", dest="sqlmapShell", action="store_true",
                             help="Prompt for an interactive sqlmap shell")
diff --git a/lib/request/connect.py b/lib/request/connect.py
index e2e7d2a18..31dba92d2 100644
--- a/lib/request/connect.py
+++ b/lib/request/connect.py
@@ -701,7 +701,7 @@ class Connect(object):
                     payload = payload.replace("'", REPLACEMENT_MARKER).replace('"', "'").replace(REPLACEMENT_MARKER, '"')
                 value = agent.replacePayload(value, payload)
             else:
-                # GET, POST, URI and Cookie payload needs to be throughly URL encoded
+                # GET, POST, URI and Cookie payload needs to be thoroughly URL encoded
                 if place in (PLACE.GET, PLACE.URI, PLACE.COOKIE) and not conf.skipUrlEncode or place in (PLACE.POST, PLACE.CUSTOM_POST) and kb.postUrlEncode:
                     payload = urlencode(payload, '%', False, place != PLACE.URI)  # spaceplus is handled down below
                     value = agent.replacePayload(value, payload)
diff --git a/lib/utils/api.py b/lib/utils/api.py
index 9337fe000..15a1047b6 100644
--- a/lib/utils/api.py
+++ b/lib/utils/api.py
@@ -29,6 +29,7 @@ from lib.core.datatype import AttribDict
 from lib.core.defaults import _defaults
 from lib.core.enums import CONTENT_STATUS
 from lib.core.enums import PART_RUN_CONTENT_TYPES
+from lib.core.exception import SqlmapConnectionException
 from lib.core.log import LOGGER_HANDLER
 from lib.core.optiondict import optDict
 from lib.core.subprocessng import Popen
@@ -66,8 +67,11 @@ class Database(object):
         logger.debug("REST-JSON API %s connected to IPC database" % who)
 
     def disconnect(self):
-        self.cursor.close()
-        self.connection.close()
+        if self.cursor:
+            self.cursor.close()
+
+        if self.connection:
+            self.connection.close()
 
     def commit(self):
         self.connection.commit()
@@ -252,8 +256,11 @@ class LogRecorder(logging.StreamHandler):
 
 def setRestAPILog():
     if hasattr(conf, "api"):
-        conf.database_cursor = Database(conf.database)
-        conf.database_cursor.connect("client")
+        try:
+            conf.database_cursor = Database(conf.database)
+            conf.database_cursor.connect("client")
+        except sqlite3.OperationalError, ex:
+            raise SqlmapConnectionException, "%s ('%s')" % (ex, conf.database)
 
         # Set a logging handler that writes log messages to a IPC database
         logger.removeHandler(LOGGER_HANDLER)
diff --git a/sqlmap.conf b/sqlmap.conf
index cc506987d..55f298b7a 100644
--- a/sqlmap.conf
+++ b/sqlmap.conf
@@ -735,7 +735,7 @@ disableColoring = False
 # Default: 1
 googlePage = 1
 
-# Make a through testing for a WAF/IPS/IDS protection.
+# Make a thorough testing for a WAF/IPS/IDS protection.
 # Valid: True or False
 identifyWaf = False
 
@@ -747,7 +747,7 @@ mobile = False
 # Valid: True or False
 pageRank = False
 
-# Conduct through tests only if positive heuristic(s).
+# Conduct thorough tests only if positive heuristic(s).
 # Valid: True or False
 smart = False