diff --git a/gwinc/ifo/Aplus/ifo.yaml b/gwinc/ifo/Aplus/ifo.yaml
index 290077feaf0d54bc355a2992b822a256360115cc..d0956ff55f36fa27dd9543ec11516767328d4367 100644
--- a/gwinc/ifo/Aplus/ifo.yaml
+++ b/gwinc/ifo/Aplus/ifo.yaml
@@ -57,7 +57,7 @@ TCS:
   # compensating this loss. Thus as a simple Ansatz we define the
   # TCS efficiency TCSeff as the reduction in effective power that produces
   # a phase distortion. E.g. TCSeff=0.99 means that the compensated distortion
-  # of 1 Watt absorbed is eqivalent to the uncompensated distortion of 10mWatt.
+  # of 1 Watt absorbed is equivalent to the uncompensated distortion of 10mWatt.
   # The above formula thus becomes:
   # S= s_cc P_coat^2 + 2*s_cs*P_coat*P_subst + s_ss*P_subst^2 * (1-TCSeff)^2
   #
@@ -269,8 +269,8 @@ Optics:
 ## Squeezer Parameters------------------------------------------------------
 # Define the squeezing you want:
 #   None: ignore the squeezer settings
-#   Freq Independent: nothing special (no filter cavties)
-#   Freq Dependent = applies the specified filter cavites
+#   Freq Independent: nothing special (no filter cavities)
+#   Freq Dependent = applies the specified filter cavities
 #   Optimal = find the best squeeze angle, assuming no output filtering
 #   OptimalOptimal = optimal squeeze angle, assuming optimal readout phase
 Squeezer:
@@ -283,8 +283,8 @@ Squeezer:
   # Parameters for frequency dependent squeezing
   FilterCavity:
     L: 300                        # cavity length
-    Te: 1e-6                      # end mirror trasmission
+    Te: 1e-6                      # end mirror transmission
     Lrt: 60e-6                    # round-trip loss in the cavity
     Rot: 0                        # phase rotation after cavity
     fdetune: -45.78               # detuning [Hz]
-    Ti: 1.2e-3                    # input mirror trasmission [Power]
+    Ti: 1.2e-3                    # input mirror transmission [Power]
diff --git a/gwinc/ifo/CE/ifo.yaml b/gwinc/ifo/CE/ifo.yaml
index 17d3290c6af633c6507553b0f1fcde443548259e..30345120708bccefbecc5440f98b6c5be21a77d0 100644
--- a/gwinc/ifo/CE/ifo.yaml
+++ b/gwinc/ifo/CE/ifo.yaml
@@ -56,7 +56,7 @@ TCS:
   # compensating this loss. Thus as a simple Ansatz we define the
   # TCS efficiency TCSeff as the reduction in effective power that produces
   # a phase distortion. E.g. TCSeff=0.99 means that the compensated distortion
-  # of 1 Watt absorbed is eqivalent to the uncompensated distortion of 10mWatt.
+  # of 1 Watt absorbed is equivalent to the uncompensated distortion of 10mWatt.
   # The above formula thus becomes:
   # S= s_cc P_coat^2 + 2*s_cs*P_coat*P_subst + s_ss*P_subst^2 * (1-TCSeff)^2
   #
@@ -101,8 +101,8 @@ Suspension:
   # Note stage numbering: mirror is at beginning of stack, not end
   # these mass numbers are from v8 of the Voyager design doc
   Stage:
-    # Load saved file with otpimized mass. Masses are optimized for longitudinal isolation assuming the PUM has springs
     #susmat = loadmat('CryogenicLIGO/QuadModel/quad_optimized_masses_for_PUM_with_springs.mat')
+    # Load saved file with optimized mass. Masses are optimized for longitudinal isolation assuming the PUM has springs
     - Mass: 316.8 # kg; susmat['testmass_mass'][0,0]
       Length: 1.18 # m
       Temp: 123.0
@@ -318,8 +318,8 @@ Optics:
 Squeezer:
   # Define the squeezing you want:
   #   None = ignore the squeezer settings
-  #   Freq Independent = nothing special (no filter cavties)
-  #   Freq Dependent = applies the specified filter cavites
+  #   Freq Independent = nothing special (no filter cavities)
+  #   Freq Dependent = applies the specified filter cavities
   #   Optimal = find the best squeeze angle, assuming no output filtering
   #   OptimalOptimal = optimal squeeze angle, assuming optimal readout phase
   Type: 'Freq Dependent'
@@ -331,8 +331,8 @@ Squeezer:
   FilterCavity:
     fdetune: -4.9993  # detuning [Hz] zz['x'][0][1]
     L: 4000           # cavity length [m]
-    Ti: 0.0016836     # input mirror trasmission [Power] zz['x'][0][2]
-    Te: 5e-6          # end mirror trasmission
+    Ti: 0.0016836     # input mirror transmission [Power] zz['x'][0][2]
+    Te: 5e-6          # end mirror transmission
     Lrt: 150e-6       # round-trip loss in the cavity
     Rot: 0            # phase rotation after cavity
 
@@ -346,10 +346,7 @@ Squeezer:
     FilterCavity:
       fdetune: -30   # detuning [Hz]
       L: 4000        # cavity length
-      Ti: 10e-3      # input mirror trasmission [Power]
-      Te: 0          # end mirror trasmission
+      Ti: 10e-3      # input mirror transmission [Power]
+      Te: 0          # end mirror transmission
       Lrt: 100e-6    # round-trip loss in the cavity
       Rot: 0         # phase rotation after cavity
-
-
-
diff --git a/gwinc/ifo/Voyager/ifo.yaml b/gwinc/ifo/Voyager/ifo.yaml
index 3ddb2afb8740bddefa2780597ee5f7453fae0b59..29c4ad48839d48e7509c6d3e7812263d43d6ec39 100644
--- a/gwinc/ifo/Voyager/ifo.yaml
+++ b/gwinc/ifo/Voyager/ifo.yaml
@@ -56,7 +56,7 @@ TCS:
   # compensating this loss. Thus as a simple Ansatz we define the
   # TCS efficiency TCSeff as the reduction in effective power that produces
   # a phase distortion. E.g. TCSeff=0.99 means that the compensated distortion
-  # of 1 Watt absorbed is eqivalent to the uncompensated distortion of 10mWatt.
+  # of 1 Watt absorbed is equivalent to the uncompensated distortion of 10mWatt.
   # The above formula thus becomes:
   # S= s_cc P_coat^2 + 2*s_cs*P_coat*P_subst + s_ss*P_subst^2 * (1-TCSeff)^2
   #
@@ -93,7 +93,7 @@ Suspension:
   # Note stage numbering: mirror is at beginning of stack, not end
   # these mass numbers are from v8 of the Voyager design doc
   Stage:
-    # Load saved file with otpimized mass. Masses are optimized for longitudinal isolation assuming the PUM has springs
+    # Load saved file with optimized mass. Masses are optimized for longitudinal isolation assuming the PUM has springs
     #susmat = loadmat('CryogenicLIGO/QuadModel/quad_optimized_masses_for_PUM_with_springs.mat')
     - Mass: 200.0 # kg; susmat['testmass_mass'][0,0]
       Length: 0.4105 # m
@@ -310,8 +310,8 @@ Optics:
 Squeezer:
   # Define the squeezing you want:
   #   None = ignore the squeezer settings
-  #   Freq Independent = nothing special (no filter cavties)
-  #   Freq Dependent = applies the specified filter cavites
+  #   Freq Independent = nothing special (no filter cavities)
+  #   Freq Dependent = applies the specified filter cavities
   #   Optimal = find the best squeeze angle, assuming no output filtering
   #   OptimalOptimal = optimal squeeze angle, assuming optimal readout phase
   Type: 'Freq Dependent'
@@ -323,8 +323,8 @@ Squeezer:
   FilterCavity:
     fdetune: -36.44897 # detuning [Hz] zz['x'][0][1]
     L: 300            # cavity length [m]
-    Ti: 0.00090274    # input mirror trasmission [Power] zz['x'][0][2]
-    Te: 0e-6          # end mirror trasmission
+    Ti: 0.00090274    # input mirror transmission [Power] zz['x'][0][2]
+    Te: 0e-6          # end mirror transmission
     Lrt: 10e-6        # round-trip loss in the cavity
     Rot: 0            # phase rotation after cavity
 
@@ -338,10 +338,7 @@ Squeezer:
     FilterCavity:
       fdetune: -30   # detuning [Hz]
       L: 4000        # cavity length
-      Ti: 10e-3      # input mirror trasmission [Power]
-      Te: 0          # end mirror trasmission
+      Ti: 10e-3      # input mirror transmission [Power]
+      Te: 0          # end mirror transmission
       Lrt: 100e-6    # round-trip loss in the cavity
       Rot: 0         # phase rotation after cavity
-
-
-
diff --git a/gwinc/ifo/aLIGO/ifo.yaml b/gwinc/ifo/aLIGO/ifo.yaml
index 75b3a6110286ca006a1e6aea490cf39dc85eb198..d33af0b6ced7eb6cf4eec8bbeb738f6a042affb8 100644
--- a/gwinc/ifo/aLIGO/ifo.yaml
+++ b/gwinc/ifo/aLIGO/ifo.yaml
@@ -57,7 +57,7 @@ TCS:
   # compensating this loss. Thus as a simple Ansatz we define the
   # TCS efficiency TCSeff as the reduction in effective power that produces
   # a phase distortion. E.g. TCSeff=0.99 means that the compensated distortion
-  # of 1 Watt absorbed is eqivalent to the uncompensated distortion of 10mWatt.
+  # of 1 Watt absorbed is equivalent to the uncompensated distortion of 10mWatt.
   # The above formula thus becomes:
   # S= s_cc P_coat^2 + 2*s_cs*P_coat*P_subst + s_ss*P_subst^2 * (1-TCSeff)^2
   #