diff --git a/doc/fix_adapt_fep.html b/doc/fix_adapt_fep.html
index 95528260f6..a1e3009c1d 100644
--- a/doc/fix_adapt_fep.html
+++ b/doc/fix_adapt_fep.html
@@ -246,9 +246,6 @@ over the course of a 1000-step simulation:
 <PRE>variable size equal ramp(1.0,0.1)
 fix 1 center adapt 10 atom diameter * v_size 
 </PRE>
-<P>When the <A HREF = "run_style.html">run style</A> is <I>respa</I>, this fix changes
-parameters only on the outer loop (largest) timesteps.
-</P>
 <P>For <A HREF = "run_style.html">rRESPA time integration</A>, this fix changes
 parameters on the outermost rRESPA level.
 </P>
diff --git a/doc/fix_adapt_fep.txt b/doc/fix_adapt_fep.txt
index c4e977402f..45b364a814 100644
--- a/doc/fix_adapt_fep.txt
+++ b/doc/fix_adapt_fep.txt
@@ -232,9 +232,6 @@ over the course of a 1000-step simulation:
 variable size equal ramp(1.0,0.1)
 fix 1 center adapt 10 atom diameter * v_size :pre
 
-When the "run style"_run_style.html is {respa}, this fix changes
-parameters only on the outer loop (largest) timesteps.
-
 For "rRESPA time integration"_run_style.html, this fix changes
 parameters on the outermost rRESPA level.
 
diff --git a/doc/fix_gle.html b/doc/fix_gle.html
index 5ae0c8783d..ec749d513b 100644
--- a/doc/fix_gle.html
+++ b/doc/fix_gle.html
@@ -13,7 +13,7 @@
 </H3>
 <P><B>Syntax:</B>
 </P>
-<PRE>fix ID id-group gle Ns Tstart Tstop seed Amatrix <B>noneq Cmatrix</B> <B>every stride</B> 
+<PRE>fix ID id-group gle Ns Tstart Tstop seed Amatrix [noneq Cmatrix] [every stride] 
 </PRE>
 <UL><LI>ID, group-ID are documented in <A HREF = "fix.html">fix</A> command 
 
diff --git a/doc/fix_gle.txt b/doc/fix_gle.txt
index 8ce2a2b6fd..2bb73abaca 100644
--- a/doc/fix_gle.txt
+++ b/doc/fix_gle.txt
@@ -10,7 +10,7 @@ fix gle command :h3
 
 [Syntax:]
 
-fix ID id-group gle Ns Tstart Tstop seed Amatrix [noneq Cmatrix] [every stride] :pre
+fix ID id-group gle Ns Tstart Tstop seed Amatrix \[noneq Cmatrix\] \[every stride\] :pre
 
 ID, group-ID are documented in "fix"_fix.html command :ulb,l
 gle = style name of this fix command :l
diff --git a/doc/fix_langevin.html b/doc/fix_langevin.html
index 6e65e257aa..78687927d9 100644
--- a/doc/fix_langevin.html
+++ b/doc/fix_langevin.html
@@ -230,6 +230,10 @@ the particles.  As described below, this energy can then be printed
 out or added to the potential energy of the system to monitor energy
 conservation.
 </P>
+<P>IMPORTANT NOTE: this accumulated energy does NOT include kinetic
+energy removed by the <I>zero</I> flag. LAMMPS will print a warning when
+both options are active.
+</P>
 <P>The keyword <I>zero</I> can be used to eliminate drift due to the
 thermostat. Because the random forces on different atoms are
 independent, they do not sum exactly to zero.  As a result, this fix
diff --git a/doc/fix_langevin.txt b/doc/fix_langevin.txt
index ed741c804c..30e70d93c5 100644
--- a/doc/fix_langevin.txt
+++ b/doc/fix_langevin.txt
@@ -217,6 +217,10 @@ the particles.  As described below, this energy can then be printed
 out or added to the potential energy of the system to monitor energy
 conservation.
 
+IMPORTANT NOTE: this accumulated energy does NOT include kinetic
+energy removed by the {zero} flag. LAMMPS will print a warning when
+both options are active.
+
 The keyword {zero} can be used to eliminate drift due to the
 thermostat. Because the random forces on different atoms are
 independent, they do not sum exactly to zero.  As a result, this fix