diff --git a/src/Filters/Rules/_HasAttributeBase.py b/src/Filters/Rules/_HasAttributeBase.py
index 3477cdd08..1ad8f96ad 100644
--- a/src/Filters/Rules/_HasAttributeBase.py
+++ b/src/Filters/Rules/_HasAttributeBase.py
@@ -40,8 +40,8 @@ class HasAttributeBase(Rule):
 
     labels      = [ 'Attribute:', 'Value:' ]
     name        = 'Objects with the <attribute>'
-    description = ["Matches objects with the given attribute ",
-                   "of a particular value"]
+    description = "Matches objects with the given attribute " \
+                   "of a particular value"
     category    = 'General filters'
 
     def apply(self, db, obj):
diff --git a/src/Filters/Rules/_HasSourceCountBase.py b/src/Filters/Rules/_HasSourceCountBase.py
index 766b3db71..cfdd0b815 100755
--- a/src/Filters/Rules/_HasSourceCountBase.py
+++ b/src/Filters/Rules/_HasSourceCountBase.py
@@ -38,8 +38,8 @@ class HasSourceCountBase(Rule):
 
     labels      = [  'Number of instances:', 'Number must be:']
     name        = 'Objects with <count> sources'
-    description = ["Matches objects that have a certain number of sources ",
-                   "connected to it (actually citations are counted)"]
+    description = "Matches objects that have a certain number of sources " \
+                   "connected to it (actually citations are counted)"
     category    = 'Citation/source filters'
 
     def prepare(self, db):
diff --git a/src/Filters/Rules/_HasTextMatchingSubstringOf.py b/src/Filters/Rules/_HasTextMatchingSubstringOf.py
index c89a2d894..8453b6588 100644
--- a/src/Filters/Rules/_HasTextMatchingSubstringOf.py
+++ b/src/Filters/Rules/_HasTextMatchingSubstringOf.py
@@ -37,8 +37,8 @@ class HasTextMatchingSubstringOf(Rule):
                     'Case sensitive:', 
                     'Regular-Expression matching:']
     name        = 'Objects with records containing <substring>'
-    description = ["Matches objects whose records contain text ",
-                   "matching a substring"]
+    description = "Matches objects whose records contain text " \
+                   "matching a substring"
     category    = 'General filters'
 
     # FIXME: This needs to be written for an arbitrary object
diff --git a/src/Filters/Rules/_MatchesEventFilterBase.py b/src/Filters/Rules/_MatchesEventFilterBase.py
index 76eae86fe..1482646e0 100644
--- a/src/Filters/Rules/_MatchesEventFilterBase.py
+++ b/src/Filters/Rules/_MatchesEventFilterBase.py
@@ -43,8 +43,8 @@ class MatchesEventFilterBase(MatchesFilterBase):
 
     labels      = ['Event filter name:']
     name        = 'Objects with events matching the <event filter>'
-    description = ["Matches objects who have events that match a certain",
-                   " event filter"]
+    description = "Matches objects who have events that match a certain" \
+                   " event filter"
     category    = 'General filters'
 
     # we want to have this filter show event filters
diff --git a/src/Filters/Rules/_MatchesSourceFilterBase.py b/src/Filters/Rules/_MatchesSourceFilterBase.py
index a8eedc47e..e60faee00 100644
--- a/src/Filters/Rules/_MatchesSourceFilterBase.py
+++ b/src/Filters/Rules/_MatchesSourceFilterBase.py
@@ -40,8 +40,8 @@ class MatchesSourceFilterBase(MatchesFilterBase):
 
     labels      = ['Source filter name:']
     name        = 'Objects with source matching the <source filter>'
-    description = ["Matches objects with sources that match the ",
-                   "specified source filter name"]
+    description = "Matches objects with sources that match the " \
+                   "specified source filter name"
     category    = 'Citation/source filters'
 
     # we want to have this filter show source filters
diff --git a/src/Filters/Rules/_RegExpIdBase.py b/src/Filters/Rules/_RegExpIdBase.py
index 0fae69335..06ff7a753 100644
--- a/src/Filters/Rules/_RegExpIdBase.py
+++ b/src/Filters/Rules/_RegExpIdBase.py
@@ -46,8 +46,8 @@ class RegExpIdBase(Rule):
 
     labels      = [ 'Regular expression:' ]
     name        = 'Objects with <Id>'
-    description = ["Matches objects whose Gramps ID matches ",
-                   "the regular expression"]
+    description = "Matches objects whose Gramps ID matches " \
+                   "the regular expression"
     category    = 'General filters'
 
     def __init__(self, list):