diff --git a/sigs/README.md b/sigs/README.md
index c2024fb3..18e1a596 100644
--- a/sigs/README.md
+++ b/sigs/README.md
@@ -4,6 +4,6 @@ This directory contains FLIRT signatures that capa uses to identify library func
 Typically, capa will ignore library functions, which reduces false positives and improves runtime.
 
 These FLIRT signatures were generated by FireEye using the Hex-Rays FLAIR tools such as `pcf` and `sigmake`.
-FireEye generated the signatures from source data that they collected; these signatures are not derived from the FLIRT signatures distributed with IDA PRo.
+FireEye generated the signatures from source data that they collected; these signatures are not derived from the FLIRT signatures distributed with IDA Pro.
 
-The signatures in this directory have the same license as capa: Apache 2.0.
\ No newline at end of file
+The signatures in this directory have the same license as capa: Apache 2.0.