4 files changed, 12 insertions, 12 deletions
diff --git a/newlib/libm/mathfp/s_isnan.c b/newlib/libm/mathfp/s_isnan.c
index 03cfeee59..70ac704c3 100644
--- a/newlib/libm/mathfp/s_isnan.c
+++ b/newlib/libm/mathfp/s_isnan.c
@@ -3,7 +3,7 @@
 
 /*
 FUNCTION
-        <<isnan>>,<<isnanf>>,<<isinf>>,<<isinff>>,<<finite>>,<<finitef>>---test
+        <<isnan>>, <<isnanf>>, <<isinf>>, <<isinff>>, <<finite>>, <<finitef>>---test
 for exceptional numbers
 
 INDEX
@@ -49,15 +49,14 @@ DESCRIPTION
         These functions provide information on the floating-point
         argument supplied.
 
-        There are five major number formats -
+        There are five major number formats:
         o+
         o zero
-         a number which contains all zero bits.
+          A number which contains all zero bits.
         o subnormal
-         Is used to represent  number with a zero exponent, but a nonzero fract
-ion.
-         o normal
-          A number with an exponent, and a fraction
+          A number with a zero exponent but a nonzero fraction.
+        o normal
+          A number with an exponent and a fraction.
         o infinity
           A number with an all 1's exponent and a zero fraction.
         o NAN
@@ -69,7 +68,7 @@ ion.
         returns 1 if the argument is infinity.  <<finite>> returns 1 if the
         argument is zero, subnormal or normal.
 
-        The <<isnanf>>, <<isinff>> and <<finitef>> perform the same
+        The <<isnanf>>, <<isinff>> and <<finitef>> functions perform the same
         operations as their <<isnan>>, <<isinf>> and <<finite>>
         counterparts, but on single-precision floating-point numbers.
 
diff --git a/newlib/libm/mathfp/s_ldexp.c b/newlib/libm/mathfp/s_ldexp.c
index 5ce2710ac..6da41284b 100644
--- a/newlib/libm/mathfp/s_ldexp.c
+++ b/newlib/libm/mathfp/s_ldexp.c
@@ -45,7 +45,7 @@ On underflow, <<ldexp>> and <<ldexpf>> return 0.0.
 On overflow, <<ldexp>> returns plus or minus <<HUGE_VAL>>.
 
 PORTABILITY
-<<ldexp>> is ANSI, <<ldexpf>> is an extension.
+<<ldexp>> is ANSI. <<ldexpf>> is an extension.
 
 */
 
diff --git a/newlib/libm/mathfp/s_logarithm.c b/newlib/libm/mathfp/s_logarithm.c
index ee7c7069e..3e07949c8 100644
--- a/newlib/libm/mathfp/s_logarithm.c
+++ b/newlib/libm/mathfp/s_logarithm.c
@@ -56,8 +56,9 @@ When <[x]> is negative, the returned value is <<-HUGE_VAL>> and
 <<matherr>>.
 
 PORTABILITY
-<<log>> is ANSI, <<logf>> is an extension.
-<<log10>> is ANSI, <<log10f>> is an extension.
+<<log>> is ANSI. <<logf>> is an extension.
+
+<<log10>> is ANSI. <<log10f>> is an extension.
 */
 
 
diff --git a/newlib/libm/mathfp/w_jn.c b/newlib/libm/mathfp/w_jn.c
index bd7878104..14c2225f0 100644
--- a/newlib/libm/mathfp/w_jn.c
+++ b/newlib/libm/mathfp/w_jn.c
@@ -13,7 +13,7 @@
 
 /*
 FUNCTION
-<<jN>>,<<jNf>>,<<yN>>,<<yNf>>---Bessel functions
+<<jN>>, <<jNf>>, <<yN>>, <<yNf>>---Bessel functions
 
 INDEX
 j0