diff --git a/EtcTool/EtcTool.cpp b/EtcTool/EtcTool.cpp
index 1b52778..9ee9571 100644
--- a/EtcTool/EtcTool.cpp
+++ b/EtcTool/EtcTool.cpp
@@ -802,7 +802,7 @@ void Commands::PrintUsageMessage(void)
 	printf("    -normalizexyz                 normalize RGB to have a length of 1\n");
 	printf("    -verbose or -v                shows status information during the encoding\n");
 	printf("                                  process\n");
-	printf("    -mipmaps or -m <mip_count>    sets the maximum number of mipaps to generate (default=1)\n");
+	printf("    -mipmaps or -m <mip_count>    sets the maximum number of mipmaps to generate (default=1)\n");
 	printf("    -mipwrap or -w <x|y|xy>       sets the mipmap filter wrap mode (default=clamp)\n");
 	printf("\n");
 
diff --git a/README.md b/README.md
index 1c70ae9..8a74cb9 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ Options:
     -normalizexyz                 normalize RGB to have a length of 1
     -verbose or -v                shows status information during the encoding
                                   process
-	-mipmaps or -m <mip_count>    sets the maximum number of mipaps to generate (default=1)
+	-mipmaps or -m <mip_count>    sets the maximum number of mipmaps to generate (default=1)
 	-mipwrap or -w <x|y|xy>       sets the mipmap filter wrap mode (default=clamp)
 
 * -analyze will run an analysis of the encoding and place it in folder