diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b5c5936b5e91ec3a0c09dcbed71ea181cf0bb229..1b90aa4721b61a217466c96b26d3122878323c4f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* doc/invoke.texi ([-fisolate-erroneous-paths-dereference]):
+	Copy-edit description.
+	([-fisolate-erroneous-paths-attribute]): Likewise.
+	* common.opt (fisolate-erroneous-paths-dereference):
+	Copy-edit description.
+	(fisolate-erroneous-paths-attribute): Likewise.
+
 2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* doc/invoke.texi ([-fsemantic-interposition]): Fix typos and
diff --git a/gcc/common.opt b/gcc/common.opt
index 27532d5a657319d485f4e052ad68a0b2d4ad405d..20d4ec7a5f8582ac1e5ee70c2fde6e8894430482 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -2241,16 +2241,16 @@ Enable string length optimizations on trees
 
 fisolate-erroneous-paths-dereference
 Common Report Var(flag_isolate_erroneous_paths_dereference) Optimization
-Detect paths which trigger erroneous or undefined behaviour due to
-dereferencing a NULL pointer.  Isolate those paths from the main control
-flow and turn the statement with erroneous or undefined behaviour into a trap.
+Detect paths that trigger erroneous or undefined behavior due to
+dereferencing a null pointer.  Isolate those paths from the main control
+flow and turn the statement with erroneous or undefined behavior into a trap.
 
 fisolate-erroneous-paths-attribute
 Common Report Var(flag_isolate_erroneous_paths_attribute) Optimization
-Detect paths which trigger erroneous or undefined behaviour due a NULL value
-being used in a way which is forbidden by a returns_nonnull or nonnull
+Detect paths that trigger erroneous or undefined behavior due a null value
+being used in a way forbidden by a returns_nonnull or nonnull
 attribute.  Isolate those paths from the main control flow and turn the
-statement with erroneous or undefined behaviour into a trap. 
+statement with erroneous or undefined behavior into a trap. 
 
 ftree-loop-distribution
 Common Report Var(flag_tree_loop_distribution) Optimization
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 434790d24582fee7ee6f31fe945764ff49f4aa0d..296fb4dfec8a695cffbfbe6cf1c94119afe83624 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -8234,17 +8234,18 @@ This flag is enabled by default at @option{-O2} and @option{-Os}.
 
 @item -fisolate-erroneous-paths-dereference
 @opindex fisolate-erroneous-paths-dereference
-Detect paths which trigger erroneous or undefined behaviour due to
-dereferencing a NULL pointer.  Isolate those paths from the main control
-flow and turn the statement with erroneous or undefined behaviour into a trap.
+Detect paths that trigger erroneous or undefined behavior due to
+dereferencing a null pointer.  Isolate those paths from the main control
+flow and turn the statement with erroneous or undefined behavior into a trap.
+This flag is enabled by default at @option{-O2} and higher.
 
 @item -fisolate-erroneous-paths-attribute
 @opindex fisolate-erroneous-paths-attribute
-Detect paths which trigger erroneous or undefined behaviour due a NULL value
-being used in a way which is forbidden by a @code{returns_nonnull} or @code{nonnull}
+Detect paths that trigger erroneous or undefined behavior due a null value
+being used in a way forbidden by a @code{returns_nonnull} or @code{nonnull}
 attribute.  Isolate those paths from the main control flow and turn the
-statement with erroneous or undefined behaviour into a trap.  This is not
-currently enabled, but may be enabled by @code{-O2} in the future.
+statement with erroneous or undefined behavior into a trap.  This is not
+currently enabled, but may be enabled by @option{-O2} in the future.
 
 @item -ftree-sink
 @opindex ftree-sink