diff --git a/tools/i-pi/ipi/engine/thermostats.py b/tools/i-pi/ipi/engine/thermostats.py
index 5375bb917e4349d3b550200f24c759d3bfa0a6c3..1fb048ec27c8becd0c96f6d526bf97fce0f3f0c9 100644
--- a/tools/i-pi/ipi/engine/thermostats.py
+++ b/tools/i-pi/ipi/engine/thermostats.py
@@ -691,7 +691,7 @@ class ThermoNMGLE(Thermostat):
    """
 
    def get_C(self):
-      """Calculates C from temp (if C is not set explicitely)."""
+      """Calculates C from temp (if C is not set explicitly)."""
 
       rv = np.ndarray((self.nb, self.ns+1, self.ns+1), float)
       for b in range(0,self.nb):
diff --git a/tools/moltemplate/src/moltemplate_force_fields/amber/amberparm2lt.sh b/tools/moltemplate/src/moltemplate_force_fields/amber/amberparm2lt.sh
index 7ef489d5f099cbcee119390b39de97905b73475b..92e7e2c42a71203c4a2131c3ab72cf99c0694676 100755
--- a/tools/moltemplate/src/moltemplate_force_fields/amber/amberparm2lt.sh
+++ b/tools/moltemplate/src/moltemplate_force_fields/amber/amberparm2lt.sh
@@ -159,7 +159,7 @@ echo "  # ----------------------------------------------------------------------
 #echo "  # This file was automatically generated by \"common/amber/amberparm2lt.sh\""
 echo "  # The basic atom nomenclature and conventions are explained here:"
 echo "  #   http://ambermd.org/antechamber/gaff.pdf"
-echo "  # For reference, the original gaff.dat file and format documenation are here:"
+echo "  # For reference, the original gaff.dat file and format documentation are here:"
 echo "  #   http://ambermd.org/AmberTools-get.html"
 echo "  #   http://ambermd.org/formats.html#parm.dat"
 echo "  # ----------------------------------------------------------------------"
diff --git a/tools/moltemplate/src/moltemplate_force_fields/gaff.lt b/tools/moltemplate/src/moltemplate_force_fields/gaff.lt
index 82063a721b635519b8e80dc792ff44095506f02a..683dbf4ee42e01d7556487963fa1a659809b2b53 100644
--- a/tools/moltemplate/src/moltemplate_force_fields/gaff.lt
+++ b/tools/moltemplate/src/moltemplate_force_fields/gaff.lt
@@ -44,7 +44,7 @@ GAFF {
   # ----------------------------------------------------------------------
   # The basic atom nomenclature and conventions are explained here:
   #   http://ambermd.org/antechamber/gaff.pdf
-  # For reference, the original gaff.dat file and format documenation are here:
+  # For reference, the original gaff.dat file and format documentation are here:
   #   http://ambermd.org/AmberTools-get.html
   #   http://ambermd.org/formats.html#parm.dat
   # ----------------------------------------------------------------------
diff --git a/tools/moltemplate/src/ttree.py b/tools/moltemplate/src/ttree.py
index 87c385f27bfb98ce4c6b96b4d561ab2a964334be..cddc9b8ac677bc273b0c91e73ff244ed6952b3a8 100644
--- a/tools/moltemplate/src/ttree.py
+++ b/tools/moltemplate/src/ttree.py
@@ -5177,7 +5177,7 @@ def BasicUI(settings,
 
     # Parsing, and compiling is a multi-pass process.
 
-    # Step 1: Read in the StaticObj (class) defintions, without checking
+    # Step 1: Read in the StaticObj (class) definitions, without checking
     # whether or not the instance_children refer to valid StaticObj types.
     sys.stderr.write('parsing the class definitions...')
     static_tree_root.Parse(settings.lex)
diff --git a/tools/msi2lmp/frc_files/pcff.frc b/tools/msi2lmp/frc_files/pcff.frc
index ce24f000cb7196b38563b331ad41e69316ac7404..a06b04202a4f9e641d1c8c702ae42301ea38c7f4 100644
--- a/tools/msi2lmp/frc_files/pcff.frc
+++ b/tools/msi2lmp/frc_files/pcff.frc
@@ -158,7 +158,7 @@
  1.0  1   op      15.99940      O          2        sp2 aromatic in 5 membered ring 
  3.0 10   osh     15.99491      O          2        oxygen atom in terminal hydroxyl group on silicon
  1.0  1   osi     16.00000      O          2        siloxane oxygen
- 3.0 10   oss     15.99491      O          2        oxygen atom betweem two silicons
+ 3.0 10   oss     15.99491      O          2        oxygen atom between two silicons
  2.0  5   oz      15.99940      O          2        ester oxygen in carbonate
  1.0  1   p       30.97380      P          4        general phosphorous atom
  1.0  1   p=      30.97380      P          5        phosphazene phosphorous atom