12 files changed, 12 insertions, 12 deletions
diff --git a/src/libstd/num/f32.rs b/src/libstd/num/f32.rs
index 10cdc0c5833..561b84ca21a 100644
--- a/src/libstd/num/f32.rs
+++ b/src/libstd/num/f32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for 32-bits floats (`f32` type)
+//! The 32-bit floating point type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![allow(missing_docs)]
diff --git a/src/libstd/num/f64.rs b/src/libstd/num/f64.rs
index 41c0fcb9797..8a77566faeb 100644
--- a/src/libstd/num/f64.rs
+++ b/src/libstd/num/f64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for 64-bits floats (`f64` type)
+//! The 32-bit floating point type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![allow(missing_docs)]
diff --git a/src/libstd/num/i16.rs b/src/libstd/num/i16.rs
index 498f19b9b83..04a45072d1a 100644
--- a/src/libstd/num/i16.rs
+++ b/src/libstd/num/i16.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 16-bits integers (`i16` type)
+//! The 16-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i16")]
diff --git a/src/libstd/num/i32.rs b/src/libstd/num/i32.rs
index aea1e92117b..09177c188de 100644
--- a/src/libstd/num/i32.rs
+++ b/src/libstd/num/i32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 32-bits integers (`i32` type)
+//! The 32-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i32")]
diff --git a/src/libstd/num/i64.rs b/src/libstd/num/i64.rs
index 43794345fe7..84fccc9d25f 100644
--- a/src/libstd/num/i64.rs
+++ b/src/libstd/num/i64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 64-bits integers (`i64` type)
+//! The 64-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i64")]
diff --git a/src/libstd/num/i8.rs b/src/libstd/num/i8.rs
index 1b03bf6f4f0..f0e84883847 100644
--- a/src/libstd/num/i8.rs
+++ b/src/libstd/num/i8.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for signed 8-bits integers (`i8` type)
+//! The 8-bit signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "i8")]
diff --git a/src/libstd/num/isize.rs b/src/libstd/num/isize.rs
index aa89f858f6f..b602c7c704a 100644
--- a/src/libstd/num/isize.rs
+++ b/src/libstd/num/isize.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for pointer-sized signed integers (`isize` type)
+//! The pointer-sized signed integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "isize")]
diff --git a/src/libstd/num/u16.rs b/src/libstd/num/u16.rs
index 3fda77fb69c..17f25402200 100644
--- a/src/libstd/num/u16.rs
+++ b/src/libstd/num/u16.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 16-bits integers (`u16` type)
+//! The 16-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u16")]
diff --git a/src/libstd/num/u32.rs b/src/libstd/num/u32.rs
index 8610f0c0147..13be3677dac 100644
--- a/src/libstd/num/u32.rs
+++ b/src/libstd/num/u32.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 32-bits integers (`u32` type)
+//! The 32-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u32")]
diff --git a/src/libstd/num/u64.rs b/src/libstd/num/u64.rs
index 3587b069656..40b6e138307 100644
--- a/src/libstd/num/u64.rs
+++ b/src/libstd/num/u64.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 64-bits integer (`u64` type)
+//! The 64-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u64")]
diff --git a/src/libstd/num/u8.rs b/src/libstd/num/u8.rs
index 6a285e8299c..02fc807e1f2 100644
--- a/src/libstd/num/u8.rs
+++ b/src/libstd/num/u8.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for unsigned 8-bits integers (`u8` type)
+//! The 8-bit unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "u8")]
diff --git a/src/libstd/num/usize.rs b/src/libstd/num/usize.rs
index b54d8ae96c5..548c0dbb8dc 100644
--- a/src/libstd/num/usize.rs
+++ b/src/libstd/num/usize.rs
@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-//! Operations and constants for pointer-sized unsigned integers (`usize` type)
+//! The pointer-sized unsigned integer type
 
 #![stable(feature = "rust1", since = "1.0.0")]
 #![doc(primitive = "usize")]