diff --git a/docs/README.txt b/docs/README.txt
index 5495ce14..a85fdd8e 100644
--- a/docs/README.txt
+++ b/docs/README.txt
@@ -19,7 +19,7 @@ rendering.
 - LeoCAD for Windows:
 
   Download the latest LeoCAD-Windows.exe to your computer, double click on
-  the icon to launch the installer and follow the intructions.
+  the icon to launch the installer and follow the instructions.
 
 - LeoCAD for Linux:
 
diff --git a/docs/leocad.1 b/docs/leocad.1
index e61d3c34..1e05edab 100644
--- a/docs/leocad.1
+++ b/docs/leocad.1
@@ -1,6 +1,6 @@
 .TH LEOCAD 1 "12 January 2021"
 .\" NAME should be all caps, SECTION should be 1-8, maybe w/ subsection
-.\" other parms are allowed: see man(7), man(1)
+.\" other params are allowed: see man(7), man(1)
 .SH NAME
 LeoCAD \- CAD program for LEGO models.
 .SH SYNOPSIS
@@ -109,7 +109,7 @@ Do not render parts from prior steps faded.
 
 .TP
 .BI "\-\-fade\-steps\-color " color
-Color to use for rendering faded parts. (#AARRGGBB where AA, RR, GG, and BB are hexidecimal values for alpha, red, green, and blue respectively.)
+Color to use for rendering faded parts. (#AARRGGBB where AA, RR, GG, and BB are hexadecimal values for alpha, red, green, and blue respectively.)
 
 .TP
 .B \-\-highlight
@@ -121,7 +121,7 @@ Do not highlight parts in the steps they appear.
 
 .TP
 .BI "\-\-highlight\-color " color
-Color to use to highlight parts, (#AARRGGBB where AA, RR, GG, and BB are hexidecimal values for alpha, red, green, and blue respectively.)
+Color to use to highlight parts, (#AARRGGBB where AA, RR, GG, and BB are hexadecimal values for alpha, red, green, and blue respectively.)
 
 .TP
 \fB\-\-shading \fRwireframe\ |\ flat\ |\ default\ |\ full