diff --git a/conf/DrivewayAlarm_I8-W1901.conf b/conf/DrivewayAlarm_I8-W1901.conf
index 89857336..e373a032 100644
--- a/conf/DrivewayAlarm_I8-W1901.conf
+++ b/conf/DrivewayAlarm_I8-W1901.conf
@@ -19,7 +19,7 @@
 #                      ----------------------------------
 #  There is no additional data provided by the sensor, it simply detects motion.
 #
-#  The following flex decoder was used for the above analisys.
+#  The following flex decoder was used for the above analysis.
 #     $ rtl_433 -R 0 -X 'n=driveway,m=OOK_PWM,s=200,l=596,r=6196,g=608,t=158,y=0,repeats>=10,bits>=20'
 #       repeats>=10 and bits>=20 was used to filter out any possible noise.
 # 
diff --git a/conf/adlm_fprf.conf b/conf/adlm_fprf.conf
index 752249e2..e2cbdf46 100644
--- a/conf/adlm_fprf.conf
+++ b/conf/adlm_fprf.conf
@@ -1,5 +1,5 @@
 # Equation/Siemens ADLM FPRF on 433.863MHz
-# 3 zones heater programer
+# 3 zones heater programmer
 #
 # A 50ms wakeup pulse followed by a 5ms gap,
 # then a start pulse 5ms gap + 3ms pulse followed by 41 data pulses.
diff --git a/src/devices/fineoffset_wh1050.c b/src/devices/fineoffset_wh1050.c
index 64c06155..85b92b8c 100644
--- a/src/devices/fineoffset_wh1050.c
+++ b/src/devices/fineoffset_wh1050.c
@@ -49,7 +49,7 @@ weather data as usual.
 
 TFA 30.3151 Sensor is FSK version and decodes here. See issue #2538: Preamble is aaaa2dd4 and Temperature is not offset and rain gauge is 0.5 mm by pulse.
 
-Note there is a collison with WH55 which starts with `aa aa aa 2d d4 55`
+Note there is a collision with WH55 which starts with `aa aa aa 2d d4 55`
 
 To recognize which message is received (weather or time) you can use the 'msg_type' field on json output:
 - msg_type 5 = weather data
diff --git a/src/devices/fineoffset_wh55.c b/src/devices/fineoffset_wh55.c
index 0f92bb05..f2b67dfd 100644
--- a/src/devices/fineoffset_wh55.c
+++ b/src/devices/fineoffset_wh55.c
@@ -17,7 +17,7 @@ Fine Offset / Ecowitt WH55 water leak sensor.
 
 Test decoding with: rtl_433 -f 433.92M  -X 'n=wh55,m=FSK_PCM,s=60,l=60,g=1000,r=2500'
 
-Note there is a collison with Fine Offset WH1050 / TFA 30.3151 weather station which starts with `aa aa aa 2d d4 5`
+Note there is a collision with Fine Offset WH1050 / TFA 30.3151 weather station which starts with `aa aa aa 2d d4 5`
 
 Data format: